Seeing Ushiwaka working so hard to overcome pure aesthetic attraction does make me want to root for him to get some other girl (or guy) for him to fall in love with but for loving their personality.
Also agree with Ryuugasaki there, Ushiwaka should at the very least be able to admit that he...
@yuusiren seems like it. Although (this is just me speculating) there might be an underlying meaning that the vtuber (babiniku) is an old man irl, I think it can be used for pretty girl/bishoujo vtubers in general regardless of real gender.