I mean it's all fine and mostly none of my business lol. I'm a non-dev user lolol.
Primal can do whatever it likes obvs, but it's often recommended to noobs, and they will see that sidebar and probably not join, unless they're coming from bitcointwitter, in which case they may join. Or they may just think nah, I prefer bitcointwitter.
And tbf to the bitcointwitter people, they also complain about nostr not being varied enough lol.
And you can counter with Trending / What's Hot / Recommended Users on any platform is always shit. Which is true. But most platforms don't have a majorly off-putting, bitcoin tourettes (feedbacklooped with incentived zapfarming), problem:)