Sorry to hear about your Hardy traumas -- we had The Mayor of Casterbridge inflicted on us. I hated it. Hatedhatedhated it.
Ah, that takes me back. I did it for GCSE and had a similar view. His outlook just seemed like a pose to me: after all, when is hubris really punished by the gods? To judge by the idiots on TV, never. You're better off reading Cold Comfort Farm, which at least has jokes.
Anyhow, I'd say it depends. I get irritated by people who think that writing is just a vehicle for listing a bunch of events, but purple prose annoys me too. I suspect that to write really long descriptive passages, like those that open Titus Groan, you've got to be very good. You've also got to have a certain amount of mental toughness to stick with them.
Actually, I think quite a lot of fantasy suffers from a lack of description, partly because it suffers from a lack of having anything that needs to be described. You hardly need to tell me what a dwarf is, but if you've got something interesting to say about dwarf culture, or about some new creature of your imagining, then it deserves more time. Similarly, a mock-medieval setting is pretty much there already.
I remember one novel, about 20 years ago, where almost all the description was replaced by exclamation marks: "It was a skeleton warrior in light chainmail!". Super.