"The will o' the wisperers will say "Yes, of course they can become folk songs, how strange you asked. Look - it says so in the definition".

BUT (and here's the rub) the archaic oral process these songs have to undergo first, in order to satisfy the 'definition', are next to impossible nowadays ..."

Yep. I agree with 'working Radish' you have summed it up very nicely, 'Sminky' - the fact that you don't like this conclusion is neither here nor there and shooting the messenger achieves nothing.