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No, it's not ok in my opinion and decreases the likelihood of me watching her streams. I'll explain my opinion on Vtubers doing lewd/fanservice content in levels:
Level 0 (Pure): A girl who never does anything lewd, she apparently doesn't know about sex, never swears, has a modestly dressed model.
Level 1 (Normal): A girl who talks about boobs and other light fanservice topics when it comes up. She might have an outfit that has some fanservice elements (big boobs, short skirt, etc,), but this is not the main focus.
Level 2 (Fanservice): A girl who is openly sexy and does fanservice content. The main point of focus of her model is sex appeal. She talks about her boobs/thighs/butt every stream, and comments on/likes lewd fanart. Marine is here.
Level 3 (Whore): Will talk about extreme fetishes, bodily functions that are normally not talked about among well mannered people, will talk about her real sex life and will post her physical body in various states of undress on Twitter under her Vtuber persona to gain more fans.
Most girls in Hololive are in Level 1, a few in Level 0 and a few in Level 2. None in Level 3. I think what people mean by saying that JP is different to Western indies, is that Western indies do often cross over into Level 3.
I personally like Level 0 and Level 1 and can tolerate Level 2 if necessary.