They've got the vibe right, which is all that matters to me. Feels like middle earth.
I'm a casual in the lore, I have the silmarillion but i use it to just look up shit in the movies while theyre namedropping stuff i dont know the context of. So I can't really vouch for how well they've kept everything intact, but it seems solid from my light knowledge.
But, yeah, it's got the vibe and if you like the way middle earth feels then I recommend the show.
Was not expecting to like it, but here we are
I read elsewhere that it's on a case-by-case basis, i.e they're allowed to use certain things with permission from the estate, but they don't have free reign on it. Which is basically what that article says. They're working with the estate to get certain things even without full rights basically