Earlier quoted context omitted.
Is it even worth reading? Genuine question. I thought it was campty sort of satirical old-timey stuff, but I never read it.
Sci Fi is often a way to talk about the present without getting bogged down in the minutae of accurate facts and "what's realistic" for critics. Whether that's worth reading depends on you. It's a big genre too, different authors and works don't all cover the same themes. If you want to see someone experience about what it's like to be a foreigner in a racist society, Arkady Martine's Teixcalaan series explores that.…
In the Culture all real agency humanity has is lost to machines (Minds).
Humans have about as much say in important matters in the Culture as dogs do in ours, when anything really important happens (e.g. the events of Excession) they're not even involved.
For any individual human it's a utopia, I'd probably prefer to live in the Culture, but whether it's a good thing to aspire to is something the reader needs to decide for themselves.