In other words, even if they didn't know that what they were doing was harmful, they should have.
This still exists and I get it every day. It is the floor for my feed. I have to refresh or close the app and reopen to fetch more.
Things will keep getting worse in the US as long as the current nothing is anti-competitive policies endure.
It's not relevant to this discussion that in certain contexts, useful engagement metrics exist that supposedly aren't toxic, because it doesnt apply to the current context. We're clearly talking about the larger systemic issue of companies maximizing all engagement at all costs, and the consequences of such a policy.