Why would you talk about something cringe and entertaining with other people? I wonder how all the work Ricky Gervais has done got popular... It's almost as if people enjoy this stuff.
In all seriousness, *do not* mention vtubers at work. A bunch of people have been fired because of it. The perception for most people who aren't into anime is that an avatar like jelly's is that of a child, and people who like that kind of thing are not desirable to have at a workplace. TBF I can't say that preception is even really incorrect.