Changing the ending was a mistake
It was already set up so beautifully with the scene of Dan and Alex bonding over Madam Butterfly in the kitchen.
I know this movie ends up on all the shocking horror movie moments lists, and the ending is what frequently gets it put on there, but to me it cheapens it somehow.
The original FEELS more true to life for the characters.
Either way it's a classic, but I wish there was a way to have both full versions.