Tbh the actual cast and direction of the The Hobbit movies wasn’t that bad, but intentionally drawing out a single book that could’ve been done in 3-4 hours into 3 whole movies in a vain attempt at recapturing the LoTR trilogy’s fame is what made it weaker.
Rings of Power, however, throws out a lot of the stuff that happened in The Second Age and straight-up ignores Tolkien’s works at times. Granted, Amazon didn’t have legal rights to the Silmarillion and the LoTR appendices, but it’s still a shame we basically got a gutted version of what could have been a great show. Galadriel was also pretty boring as your generic “Marvel strong stoic action woman” kind of character.