None of the genocide deniers from feddit.org banned on YPTB have been banned on feddit.

Please stop spreading completely false information.

There’s no law saying they can’t ban the homophobic, genocide denying users they host.

To paraphrase you: Learn English or use a better translation software as you got the meaning behind that comment totally wrong.

No, they’re not. You are not legally required to act this extreme. This is a personal choice by the instance admins and users.

For instance example there is zero law against not banning those who deny the genocide of Palestinians, but your instance continues to defend them.