i never got the point in playing drums live but then later replacing the sound. even in 1990 you could have used miditriggers from akai to do the same live. or even use a midi drumset. which were expensive, but so are microphones.
Seriously? You're working on a project. You want it as good as you can get it. So, you get a real drummer. Or just as likely, you're working with a band. They
have a drummer.
Now, the drummer wants to play
his drums…not a MIDI kit or anything else…
his drums. That's what he's comfortable on and will play his best on. So, you do
your best to mic those drums. Trouble is, you not only do not have a great room to record drums in, you also don't have 5 or 10 grand worth of mics laying around to use. So you do the best you can with what you have.
Trouble is, it doesn't come out the way you wish it would. The
performance is great - timing etc, spot on. You just wish you could get a better recording of the guy's drums, but you can't. So, whaddya gonna do?
You're gonna fire up your Drum Replacer plugin and use his great performance to trigger samples of great drums recorded in a great studio with great mics and you end up with great drums. It's not rocket science. This is no different than playing samples of a $40k Steinway on a keyboard controller.
Recording musicians - solo, duo or entire bands is NOT the same as working alone in your personal room.
Technology is now at the point where we can and do a lot of stuff to the recordings in a quest for the best possible result.
Is it cheating? That's debatable. There are degrees of murder and their are degrees of "cheating."
Auto-tuning the shit out of a singer who can't hit a note or busting ass to get 8 good bars of rhythm out of an amateur guitar player then copying/pasting those through the entire song is certainly 1st-degree cheating.
Having a "guest" player in on a track who does a basically good job and then maybe rearranging what they play after the fact - swapping the 2nd and 3rd verse around or similar, because it "feels" better (something I've done more times than I can count)
technically is cheating but just barely. He DID actually play the parts after all.
Using digital tech to virtually bring a fantastic piano or drumkit into the studio to sound a great performance with is hardly the same thing.