Jim,
Way back in this saga of a thread you complainde of going into folk clubs and hearing little that you recognised as folk song,and having a problem with clubs presenting material which has little to do with folk.
I believe you have stated words to the effect of "folk clubs should do what it says on the tin" on several occasions.
I think that reasonably amounts to complaining certain clubs are misusing the title of folk club.
Singers I know have performed at open mike sessions and hearing the material other people were doing were expecting a hostile response to their traditional offerings and were amazed not to be ridiculed and booed off stage.They may have been lucky but it can happen.