I remember when Bob Dylan released an "Unplugged" album in the 1990s, I remarked "Blimey, I can remember him before he was plugged!" ;-)

Interesting discussion. I'm afraid as Greg says, it is a losing battle, and probably has been since Dylan, Ashley Hutchings et al started folk rock back in the 60s and 70s. Would we really want to go back to the days when everything was 100% acoustic though? I doubt many would.