It's been a while since I first saw this. I decided to give it another go. Bad decision. It's stupid.
Yes, this movie is stupid. It is stupid just like the first one was stupid. People make stupid decisions and loud noises are the key. That's it.
Oh. And the aliens that kill people are apparently vegetarians because while they kill everyone, they don't seem to care about eating them. They just want to kill them. Typical vegetarians.