That is all theoretically possible inside your country or trade union but not if countries wage economic war against each other. China will not break up BYD once they have gotten rid of their competition. They want the biggest car manufacturer. So they will try to reach that goal no matter what.
If a FOSS project provides easy self hosting but also a paid hosting I usually go for that to support the project and gain something at the same time. Not only for password managers but any service.