I think this is a fair review although it's a bit on the harsh side.
Yes, collecting the Triforce Shards was tedious, but if Nintendo had removed the quest completely, the remake wouldn't be representative of the original game. Reducing the number of shards collected to three is a welcome compromise.
Obviously, reviewer's opinions about the original game will also influence the remake's score. This guy didn't seem too pleased with The Wind Waker as is, whereas IGN's reviewer, for example, stated it was "the best 3D Zelda", naturally giving it a higher mark.