Well, to be fair, there’s a bit of both going on, and that’s where people get confused. Some games do allow smarter decisions, but a lot still depends on luck no matter what anyone claims. I went down a rabbit hole recently, reading guides and comparisons, and somewhere in the middle of that I stumbled on
Nettcasinonorge.biz which actually breaks things down in a pretty no-nonsense way. Not magic, just better understanding of odds, bonuses, and when to stop, honestly.