No one cares when a vtuber lies about where they live and kayfabe bdays are a well known thing but getting caught lying about being a woman is on the level of doing GFE and then being discovered to be in a relationship. It's not evil but that kind of deception is something that would make a fan feel betrayed.
Zen is easily the largest babiniku in EN because they've kept it "hidden", probably JP too but I don't pay as much attention. It's hard to blame them cause of that but at the same time it's hard to feel too much sympathy if it backfires massively. It won't
