Yeah, I've read that Paul McCartney has a teleprompter built into his piano. And you said "Bruce Springsteen has been catching hell for using teleprompters" which just proves my point that people are looking for authenticity in a performance from a pro like Bruce!
But having lyrics on a tele is a whole lot different than not actually singing, right? I mean, if you're OK with backing tracks because the quality is better, why not just lip synch to the studio version of the songs like they did in the 60s? And then, if you're gonna have that, why should the star even have to show up? Just play their CD for the concert!

Obviously there is a line there somewhere where it ceases to be a live show but we might not all agree on where that line is. For me, the second a performer starts singing and drums start playing without a drummer I'm calling *FAKE*! And as I said, I simply will never pay to watch someone "perform" with prerecorded tracks.