When the band I was in was gathering interest from the music industry in the mid 1970s, we weren't having to compete with Gerry and the Pacemakers, The Searchers, The Hollies, The Tremolos, the Four Pennies, Heinz, Wayne Fontana, Amen Corner and all those other great bands from the 1960s, because they had either moved on to other careers or had jumped to the cabaret circuit.
Does every member of the audience at this year's Proms have to see the oboe player in order to enjoy the solo? Of course not. Furthermore, if Nick Starr believes that actors pretending to be musicians is preferable to actual live musicians then why don't we just bung a tape on and fill the pit with actors at the Albert Hall? I know, I'm being absurd, but I didn't start it.
Then there are the many, many people who still think it's OK to use file sharing and pirate sites to download music for free with the justification that the record labels have been ripping us off for years. This "justification" conveniently side-steps the fact that if the record company doesn't get paid then neither does the artist...
Stage fright comes from fear. It comes when the mild dose of adrenalin that you need to help you perform well, gets out of hand. Your body overreacts and goes into fight or flight from a perceived threat. You are 'only' performing but that performing in its most extreme form, can feel as if you are in extreme physical danger.