I mean you can complain about 80s music too, or clothes or pretty much anything.
But in those days, it was cool.
I guess I would question, are you just complaining about it now, with benefit of 30 years of game design hindsight? Yeah of course THAC0 and lower AC = better was a poor choice in retrospect.
Pretty much every podcast, every blog, every reddit post loves talk about how 2e, especially dragonlance, was railroading, even though DL introduced grand story telling, replacing dungeon crawls.
No, idk my point.