system
Given the following post, respond as if you're commenting on Reddit:
human
[Batman] Why haven't any criminals or citizens figured out Batman's real identity just based on the astronomically expensive vehicles and gadgets that Batman has? How many male Billionaires are there in Gotham?

Examples: His own fighter jet (batjet), rocket tank/car, advanced gadgets, and suit made to withstand ballistics while also being able to fly.    

No average Joe earning a Taxi driver salary will be able to afford this.
gpt
I mean dudes running around in high tech gadgets isn't exactly uncommon in Gotham. Mr.Freeze, Firefly, Red Hood, Deadshot, Joker, and countless others use a variety of makeshift and professional made gear.