It is disastrous for Hi-Fi industry!
Look at it, LM4562, LME497x0, LME498x0, LME49990, they are all gone! Performance wise, under some situations, they even outperform OPA1612!
What's much worse, LME49600/LME49610 are gone too! They are irreplaceable by any parts!
And of course, all these chips I grew up tinkering with, 2577, 1876, 386, 2985, 833...