There's a difference between remakes (although I generally dislike them) and complete character assassination, like twisting a good and noble character (like Faramir or Thrainduil) into a greedy coward. Or an idiot.

I actually tried to gave the MacGyver remake a chance. I lasted about 10 minutes. The spirit of the original was completely missing. And don't even let me start on the reimagined Battlestar Galactica or JJ Abrams's so-called Star Trek films.

OTOH, I really liked most of the later Star Trek incarnations; I mean the TV series. They developed the basic idea further, without abusing beloved characters. For me, that's the way to go. Of course, it is somewhat hypocritical from me, seeing that I write lots of fanfic, so...