These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
He suffers this constantly, most prominently with the Pirates of the Caribbean movies, saying Superbad wasn't very funny, and being disappointed by Watchmen, not even a panning, just saying the movie didn't work for him personally.
Inversely, he gets huge amounts of "He Praised It Now He Sucks" for taking a liking to movie series such as High School Musical and Twilight.
Nausea Fuel: The "vulgar, saccharine horror" of New Year's Eve had this effect on Mark.
In the review of Marley and Me, Mark makes the film sound so sickly and sweet that his description might actually make one feel unwell.
The Moshi Monsters review gives a similar impression. He actually likens it to sticking your head in a waste disposal unit full of vomit.
So Bad, It's Good: Occasionally his opinion on a film is this; for example Pompeii "laughably stupid, but I don't say that as a bad thing because heaven knows there are enough films that are boringly stupid", and Mamma Mia! (and especially Pierce Brosnan's singing) "you know what this is actually really good, although it's not, please don't put that on the poster. Unless you put 'so terrible it's actually brilliant'".