"Who is the "our",
Traditional music is part of "our" heritage and deserves more than the kicking some people seem to be prepared to stand by and watch it getting.
"how bad does it have to be to be a disgrace"
Tuneless, unlearned unrhearsed and misunderstood. Guest crowsister offers a fairly typical description of how bad it can get (and what is argued for and defended on threads like this)
"and who decides."
Nobody has to decide when it gets that bad, it becomes obvious to anybody without cloth-ears
Jim Carroll