Why are Linkin Park so underrated by critics?

well this goes for many bands- they're type of music is one of those things where it's either you really like it or you could care less- no in between. Unlike the songs critics like which most people say "yea its good/ok" with linkin park many people say "I LOVE THEM/I HATE THEM!" so critics tend to lean towards not liking them. Caught a bad break i suppose.