You will be much happier after you concede the fact that the music you grew up listening to isn’t better, you just grew up listening to it. It is ok to say you got older, stopped trying to discover new music, and would rather listen to the old songs you know you like.
But it is such a tired trope to say all new music is shit. Especially when Spotify, Soundcloud, and other services have made it far easier for new artist to get their work out there and to discover them. You also now have access to the entire world of music, and not just music in your own language or from a similar region.
You will also be more pleasant to be around when people think of you as someone with a preference but is open to hearing new things.
Your not wrong. When I say shit, I mean they're all created unnaturally. I am not saying don't let computers aide music design, to really obtain the first sample you need the music instruments.
I have yet to hear an official AI rock band play guitar in quill to the skill that was produced.
Some of the music from other decades is certainly better than some of what's getting put out today. Growing up, I often preferred (much) older artists that were still known to whatever was bubbling up on the Billboard charts.
Personally, I find today's music utter shit. Must be an age thing.