Easy, there's no advertising money incentives on peertube. People who put in the most effort aim for sponsorships, and sponsors aren't looking at peertube.
To succeed, peertube would need to leverage leftist mutual aid networks to get community funded videos and livestreams.
If beehaw bans transphobes and homophobes on sight then plug yourself. But I'm done debating these people. My existence is not up for debate and there is nothing to discuss. I will continue to be trans regardless of people's opinions and disgusting namecalling.