I think it is. The characters are never quite as annoying as the White Gold Wielder in the Chronicles of Thomas Covenant, but some (most) of them are really annoying. They all act like spoiled teenagers, and wilfully do stupid things, but this idiocy is often (nearly always) the only thing that allows the story to move forward. I have only watched episode 1 (and won't watch any more until I am sure that they complete the story, which I truly don't believe that they will. GRRM has harmed me for life) but it was obvious from the start that they have modified a lot of the events to avoid upsetting modern sensitivities. I don't recall a single ugly female in the books, good or bad, and surprisingly few ugly males: very few of the baddies were ugly (qv the Children of the Light) but monsters, however, were universally baddies.
I enjoyed the books, and was pleased that the series got an ending (although it was very much an "and then the good guys won, and lived happily ever after"), but most of the characters not so much.
Aside: The author(s) worked really hard to make "strong women" characters, but they very much seem to be the male idea of what a strong woman is (either magical powers, or contrarily headstrong and often both) rather than really strong. But as a chap myself, I understand that it must be quite difficult to write a strong female without making her unpleasantly masculine or shrewish. It is an interesting trait in some recent novels that the gender (or race) of a majority of the characters is unstated, but that doesn't really work when the gender conflict is an essential part of the story like in WoT. The whole a'dam thing made my stomach turn, so I can't imagine what that would have been like for a lady to read/ watch (assuming it makes it into the TV show).
The main group of young people are dull and predictable because they seem to embody some millenial ideals of diversity and gender neutrality in the talents and advancement. They are not particularly interesting because it's like someone at Google dreamed them up. Then there's a couple of super smart people, a woman and her gorgeous samurai support guy, and of course, she's smarter than most of the oddball women who hang in this tower waving their arms around with CGI lines of force emanating from them. This has caused her to becone somewhat of an outsider. I haven't even bothered to learn their names. The show had such a long hiatus that I hardly remember what they're going on about at this point. There's a force of evil and a couple of the teenagers have special powers that have the potential to save the world but it's by no means a foregone conclusion, but, hey, I've seen enough Disney movies to figure out how this will work out. There are times that I think a random episode of Doc Martin has more emotional complexity and interesting characters, but I digress.