Yes I am still questioning it myself.
The first 10 minutes of the film was a basic excuse to have some 1 x 1 gun action and violence. Because the rest of the film is about humanity fighting together against the extreme odds of predators.
If you didn't know what the budget of the film was, then all you need to do is look at the inconsistency of the cinematography.
Now with one film out of the way, do I need to watch the struggling copies?