How many have actually done it and what have they done?

I believe the most notable was Lia who reacted to a few parts of a documentary and lost her shit over him as she wasn't aware of who CWC really was:

https://www.youtube.com/watch?v=edywfDji6N8

Are VTubers right to react to CWC or do you feel it's just an easy way to get noticed?