And I'm just not reading all that much disagreement here on that front.

Obviously not, because the main posters here are people who have independently researched different areas of Lloyd's repertoire and drawn similar conclusions. Calling it a 'mutual appreciation society' isn't very helpful.

If any so-called tradition requires a formal, regulated performance environment to continue...

Whoever said that the folk song revival is a continuance of tradition? Or that all performance environments were as regulated as the Singers' Club? I'm not sure what point you're trying to make.