1)   Floorsingers do not feel welcome.
2)   The residents play (sometimes a number of songs) and leave no time for floor singers.
3    There is too much American music (not necessarily from Americans).

Exactly. That's what the audience pays for. They don't want opera, they don't want jazz, they don't want egotistical floorsingers. They want the residents and the guest and the music they offer.
So what's wrong with that? There are plenty of other folk based clubs catering to your needs which I'm sure neither Pam, Alan, the residents or the audience begrudge you.
So get on with your idea of a club and leave them alone. Oh, and I like American folk music more than English, Scottish or Irish. And modern songs more than traditional. Should I be punished, or will you allow me my club?