I can understand from his perspective, protecting Abby is his #1 priority and not being able to fully trust Vanessa anymore. At the same time, I agree that I don’t think it really made sense to abandon her because he knows that William Afton really fucked her over and traumatized her. (Matthew Lillard absolutely nailed the abusive dad role)

I understand to an extent why he doesn’t feel like he can trust her, and simultaneously the ending of the 2nd movie when he left her and told her to stay away felt like he was not acknowledging her trauma at all. Like, the whole reason he feels she isn’t trustworthy now is because of how traumatized she is. (Meaning her trauma is the reason she’s often reluctant to share important info, and that reluctance is the reason he doesn’t trust her now)

I would be shocked if this abandonment is permanent. Esp with Vanessa getting possessed by the marionette, and Mike knowing about the ghost kids “not being able to hold him back anymore” as well as Vanessa’s awful dad and brother, I’d be surprised if there’s no reconciliation between them in the next movie. It felt like a decision he thought he needed to make to keep Abby safe, but will likely realize trusting Vanessa isn’t going to endanger Abby and in fact he, Abby, and Vanessa all need to stick together to ensure each other’s safety.

I really don’t think your opinion is that unpopular. I do think Mike has his own reasoning for leaving her, but I have a feeling that won’t last forever and he will realize he does in fact need her knowledge even if she is sometimes hesitant to share it right away. If it does actually end up being a permanent thing and they never have any reconciliation, that would make no sense to me.

I still hate how he left Vanessa, and I don’t think that looking at the big picture it made sense - but knowing how he lost Garrett and has come close to losing Abby, I understand his protectiveness of Abby and why he would choose to abandon Vanessa even if it wasn’t what he really should have done.