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human
[Batman]Why are the supervillains "created" by batman

I think it's almost accepted that the villains are drawn to the batman.  But what's stopping them from all showing up even without the Bat.  Two-Face most likely still would've gotten his face disfigured.  The penguin would still be around.  Riddler would still try to show everyone how smart he is.  What makes the Bat the final piece to the equation?
gpt
Batman isn't responsible for his rogues. 

By and large they were set on the path to villainy completely independent of him.

Every time the "Batman inspired his enemies" argument pops up in the comics, it's the villains making really obvious attempts at trying to absolve themselves of responsibility for their crimes and cheat their way into clemency. 

Or it's an auxiliary character made a basic 'correlation = causation' error by assuming that the person who became Batman did so on a whim, and assumed that every villain who appeared after must have just been a nobody who saw Batman in the newspaper one day and decided to drop what they were doing to follow his lead. 

Bruce's transformation into Batman was never a casual decision. The pre-existing criminality which has been festering in Gotham since long ago, set him on a long and arduous transformation into the costumed vigilante.

The rogues similarly faced various personal trials and tribulations of their own over the course of their lives, which put them on the rails of criminal behavior, regardless of Batman's presence, and usually in a timeframe parallel with Bruce's transformation. 

If there is a shared thread of causality between Batman and his rogues, it's Gotham City itself. The environment was always destined to produced people of extraordinary and eccentric character according to the many glimpses of the city's history prior to Batman's first outing.

And if we consider versions of Gotham which exist in a shared universe where other superheroes and supervillains are running around as a pretty common phenomenon, it's even less plausible to blame Batman, since there is pretty much no good reason for Gotham to not develop supervillains or superheroes, regardless if Batman exists or not since they're running around in just about every other city of note.

I think the Nolan-verse Batman movies did the most to further the idea, because of Gordon's speech at the end of Batman Begins regarding escalation, but taking it at face value ignores a important story details clearly present across the continuity of those three movies:

Escalation of criminal influences in Gotham was already an ongoing process before Bruce became Batman. As Ra's revealed in the first act of Batman Begins, Gotham was already a target for the League of Shadow's supervilliany ways back when Bruce's parents were alive due to the city's status as a pinnacle of modern civilization and the perceived decadence it represented to them.

The LoS attempted to destroy the city through indirect means by using their influence to cause an economic depression, but Bruce's parents used their assets and influence as benevolent plutocrats to unknowingly fight back against the LoS, before falling victim to the fallout of the LoS's orchestrated depression themselves, which is what prompted Bruce on his transformation into the Dark Knight in the first place. Bruce isn't the cause of escalation in Gotham, but a result of it.

Even when he actually returns to Gotham, we see that people like Victor Zass and Jonathan Crane have already been preying on people to suit their deviant whims, as well as that Ra's plan to destroy Gotham via ninja invasion and doomsday weapon were already in play.

In TDK, we do get the most credible argument that Batman 'causes' supervillains with that continuity's version of the Joker's appearance in Gotham and his subsequent rampage. No denying that he's attracted to Gotham because of Batman, but at the same time, it doesn't mean that Bruce created the Joker, only that he caused Joker to target Gotham specifically. Who Joker was, how long he's been around as the Joker is completely left in the air. But even then trying to blame Joker's escapades on Batman, is basically blaming a person for having a crazy stalker rather than the stalker for being crazy in the first place.

The next time this version of Gotham sees any supervillains it's Bane and Talia in TDKR, but being agents of the LoS, their motives are pretty self-explanatory. Talia is there to avenge her supervillain dad, and Bane is there to assist her (at least in the comics he came to Gotham with explict purpose of wanting to play king of the hill against Bruce). Batman's only contribution to their motives was letting Ra's die while preventing him from destroying the city a decade-ish earlier.