The trigger warning is because the topic can be emotionally heavy for autistics since it talks about the social abuse autistics endure and how we react to it by masking. The guy has an apparent justifiably angry tone throughout the video. Otherwise, I think it is fine and there are no sensory issues to worry about.
For those that downvoted, I would like to know why. Why did you think that it should not be seen by others?
Looked up what “fawning” meant, never heard that word before
Source
Haven’t watched the video so I’m unsure of the context, whether it’s about a neurotypical as the recipient of fawning, or a neurotypical fawning another individual