you say that problem wasn’t with Witherspoon, but you forget to mention what your problem was with the Legally Blonde movie.

I will however explain what I did like about the movie.
The tone of the movie was set early on. So that if this wasn’t your “type” of movie, then you could have stopped watching. But I shall assume that you saw the full movie.
It’s about a girl who perhaps for the wrong reasons makes a rash decision (law school), and by doing so she discovers something more about herself. All the while not losing who she really is.
It’s a feel good movie, and leaves you feeling good. Which I think was the idea.

Now your turn to explain yourself. And “it was blonde” is not an acceptable explaination.

Sometimes you likea movie because you think it’s good entertainment value.
Spider-man is one such case. It won’t win an oscar, I really didn’t come out of it thinking about the themes and what not. I wasn’t critically analyzing it. I just enjoyed it.
Same thing with Legally Blonde. I think it was a movie that can be enjoyed.