People missing the significance of this leak and farming for karma on Reddit with shitty advice animals?
I am quite shocked as well.

Hiding those crimes require copious amounts of money which can't be taxed for obvious reasons anyway.

Heinous Crime and Tax Evasion under an offshore
K-I-S-S-I-N-G

And you can imagine the caliber of those crimes given that even the Joker pays his taxes.