I'm going to jump in here because this is an interesting discussion.
I've read a LOT of books, and I consider myself a literature snob. Enough of a snob that despite loving David Eddings characters, I literally cannot bring myself to reread his damn books, because they're so juvenile stylistically. Enough that I can't even enjoy Harry Potter because of how bland Rowling's narrative voice is. I have an English degree, I've been in snobby book clubs for years, I tend to rip apart even books I really like ...
... and I really, really liked David's books.
Naturally, there were a lot of issues, but I'd honestly consider most of them POLISH related. He doesn't have a lot of experience with narrative, and THAT'S what really impressed me about his books, to be honest. While there were definitely some nearly cringey moments of unrefinement, I really felt like I was reading the early efforts of an author who is going to someday be amazing. There were some really clever and well done turns of phrase hidden in the serviceable writing that made me blink with surprise at how well-thought they were. I also found that David did a wonderful job with narrative voice for someone so inexperienced. Maric's narrative SOUNDED differently from Katriel's narrative, and from Loghain's narrative.
I thought they were great. Not as in "these books are destined to be famous classics," but as in "wow, these books are so engaging and this writer has a LOT of raw potential in his use of words."
Some of my deep appreciation might have just been pleasant surprise. I nearly hid my face when I bought them. I have a THING with liscenced novels, you see -- they usually horrifically badly written, cringe-worthy in their fanservice and often just big advertisements. I only bought the DA books because I was so excited for DA:O that I needed SOMETHING to tide me over. So I went into them expecting awful, and came out reeling from "wow, that was ... good."
Like I said, there were flaws. Some overuse of adverbs, lots of narrative cliche phrases, and the end of The Stolen Throne (everything from Katriel's death onwards) could have read "and then my deadline appeared and wiped the party" and not change much from what was in the actual book

But there were also a lot of amazing things, especially for a writer so inexperienced in this form.
I recommend them to everyone I meet, and I've seen them brought up a lot whenever us literature snobs start on the "well, liscenced novels are incapable of quality." Someone usually pipes up with "well, it's not SHAKESPEARE, but have you read David Gaider's The Stolen Throne ...?"
I'd find it a tragedy if David never wrote another novel. Because I so want to see him polish all that potential I saw in his books. Because I don't think he's George Martin, yet ... but I do think he has the potential to become that. Honestly do.