This has been done. Peter Gabriel, for example, did this on one of his tours (I think Back to Front, but I’m too lazy to dig it up). The California Guitar Trio also experimented with it.
I’m guessing the fact that it’s not a widespread practice is that the return on investment (and we’re talking strictly the additional costs beyond simply recording the show) didn’t justify the effort.
Yeah, I've been to low double-figure gigs[0] where they were selling soundboard CDs shortly after the gig. If I'm not mistaken, a bunch of them were being done by the same company (but an internet search is unproductive.)
[0] In London, I want to say late 2000s, early 2010s?
I just stumbled across the fact that apparently Bruce Springsteen has an active subscription service allowing people to listen to recordings of his live shows. A bit on the pricey side, imho, but it does at least exist.
This has been done. Peter Gabriel, for example, did this on one of his tours (I think Back to Front, but I’m too lazy to dig it up). The California Guitar Trio also experimented with it.
I’m guessing the fact that it’s not a widespread practice is that the return on investment (and we’re talking strictly the additional costs beyond simply recording the show) didn’t justify the effort.