Oh come on Dave - plenty of them
Why are pop songs valid as consideration for consideration as folk songs will do for a start ?
Why should badly performed pop songs or Victoria tear-jerkers or early pop songs attract young people to folk music ?
What is it intolerant to expect to hear folk songs at a folk club

You might try explaining how you would describe a folksong to a newbie - I asj=ked this ages ago
Your starter for ten
Jim