Speaking of mastering, the last decent master was released - what - a quarter of a century ago at this point?
That’s where the discussion should start, really.
Yes, 24bit is an attempt to sell you the same thing for the thousandth time, but in reality you’re not even getting a comparable product vs your ‘cheapo’ cd you picked up in the early 90s without even thinking of whether it’s going to sound any good at all. That’s the real kicker.