Okay but we were talking about BTC pump and dumps and to perform that on the massive scale which dwarfs any stock ticker below the top 5 by hundreds of billions of dollars while somehow completely illuding people who watch the blockchain like hawks for big movers...
It's just not feasible. You would have to be much richer than the official richest man on earth and have almost all of your assets liquid and then on top of that you would need millions of wallets acting asynchronously. And why would you even bother? If you're that rich you could just not hide it.
The platform owners don’t consider engagement to me be participation in meaningful discourse. Engagement to them just means staying on the platform while seeing ads.
If bots keep people doing that those platforms will keep letting them in.