system
Given the following post, respond as if you're commenting on Reddit:
human
[Batman] The inflation and crash of Gotham's carnival industry.

At one point in history Gotham must have been the world capital of Circus's and then.. the whole industry must have collapsed. There are some many abandoned carnival tents and amusement parks Batman and the Joker practically meet up at a new one every month.

And it can't just be the same one, Batman, the world's greatest detective is constantly getting lost and trapped in them. I mean the fact that Gotham PD hasn't set up permanent patrols  in every Carnival ground is ridiculous.

So how did Gotham's once booming carnival industry crash overnight? It can't have been due to the unpopularity of the joker, they're far too old.
gpt
In the past, The Court of Owls subtly arranged for many circuses to visit Gotham in order to recruit acrobats as Talons. Why were lots of fairgrounds built instead of simply reusing the same one on a rotating basis? Because the Court is an architectural cabal whose methods involve building structures with hidden symbols, chambers, passageways, etc. The more of Gotham they design, the more they appropriate for the conspiracy.