I was reading this article earlier about how YouTube comment sections for certain video types are full of conspiracy theories and misinformation:
We studied YouTube comments posted to Covid-19 news videos featuring Bill Gates and found they were dominated by conspiracy theories. Our results suggest the platform’s comments feature operates as a relatively unmoderated social media space where conspiracy theories circulate unchecked. We...
misinforeview.hks.harvard.edu
They found the comments ranged from "Bill Gates’s hidden agenda, his role in vaccine development and distribution, his body language, his connection to Jeffrey Epstein, 5G network harms, and human microchipping".
It rightly draws the conclusion that video comments are largely unmoderated, so it's not surprising conspiracy theorists have latched onto that section, knowing they're both in good company and little will be done to stop the spread of misinformation.
I doubt YouTube will pay much attention, as they'll just say "users can make use of our report feature to notify us of any comments that contravene our terms of service", ignoring the fact if the comments sections are dominated with those sorts of messages, who's going to report them?