Because he’s the developer. He can easily change a line of code to exploit users and servers across the fediverse.
This can be done by anyone, and applies to any platform. It’s not a problem unique to Lemmy.
I also don’t see how transphobia and backdooring everyone are at all related.
Hate-spewing riots?
Didn’t know just stop oil was doing that, last I checked they put cornstarch on Stonehenge which washed off a day later.