GAAAAAAAAAH NOOOOOOOOOOOOOOOOO FUUUUUUUUUUUUUUUUG.
I knew something was up though, she was WAY too aloof when she was streaming, like she didn't give a shit if viewers (men) liked her.

To answer your question, I reckong that single-mum vtuber plays a role in this.
Other vtubers saw how 'we' supported a single-mum (a pumped and dumped woman) and assume if we support that, then we'll support married women.