Enterprise had lame stories and lame characters wrapped in lame execution, that's it.
That's certainly true. The only characters that really had any kind of thought put into them were Archer, Trip, T'Pol and Dr. Phlox. And of those, the only one who really stood out was Phlox.
Hell, everyone else on the show seemed to just be
-Filling bridge positions.
-Tokens (minorities, foreigners)