Looks like https://support.wyze.com/hc/en-us/articles/360042570172-How-do-I-factory-reset-Wyze-Cam-Outdoor-
So based on that it has to be removed the an account or you would have to have Wyze help you directly (I would think they might need to confirm that you’re the real owner).
Anything else shouldn’t work unless you can find a firmware that allows you to connect without a Wyze account and is set up outside of the app.
It could be the fault of Wyze, I don’t know. If you literally forgot the account then its kind of your fault and they shouldn’t really be blamed. Only you and Wyze can figure that out 