Based on what we're seeing right now, this is likely caused not by the latter, but by the former. Consider: the ML-assisted thread moderation logic can be vulnerable to brigading. If several tens of thousands of Chinese people decided to start flagging comments with that phrase, YT would also start killing the phrase (because its sample is biased towards seeing "That phrase usually results in a flag, so the community clearly doesn't want it").
It ranks up there with the problem of dealing with seductive disinformation.
For everyone pointing out that nothing happened in Moab there’s someone else with a Remember Moab bumpersticker[1].
[1] Neal Stephenson reference.
They just need you to not be elsewhere making that money for someone else, or disrupting a market that they are entrenched in. IMHO much of the FAANG hiring / head count / acquisition process could be analyzed in this light.