Being a contrarian, I actually enjoyed "Forrest Gump". Did the reviewers really dislike it that much, or were they anoyed at seeing the counterculture held up to ridicule? As for "Braveheart", I've somehow avoided seeing it. But Hannah McGill makes a good point in The Herald:
ELAINE: Quit telling your stupid story, about the stupid desert, and just die already! (louder) Die!!
Blogcritics are none too impressed with Empire's choices either. They go for "An American in Paris" and "Gigi", among others. Here's a complete list of BPs, if you want to choose your own non-favourites.
Back in 1995, the same magazine awarded Gibson's movie five stars, praising its "breathtaking beauty, resonating brutality, and rip-roaringly good storytelling".