I honestly don't trust women anymore and don't think I'll ever find someone loyal.
Why do you think that there aren't any loyal women?
Because if they were really loyal they don't have to prove it with their actions.
While your past experiences shape your current perception, you still need to keep a wider perspective and not generalize. It's sexist to distrust all women because you only found the bad ones. Stop thinking like this and you will find an actual loyal one.
I'm going to use fake internet personalities to promote my politics
I don't think faking your identity online is going to help you out here. Rather, I think you need to reevaluate why you feel so negatively towards all women. Your feelings are misogynistic and you should make an effort to change your way of thinking.