Mr. Laser Beam wrote:
To have a tool like time travel and fail to use it - to not even TRY to change history - is a crime, in a way. Especially with so many lives at stake.
It's not a question of trying vs. not trying, but possible vs. impossible. They know how time travel works (in this movie), and nothing can be changed. The pandemic is
going to happen no matter what, because it already happened. Whatever they did in the past already happened also, and didn't make any difference.
Alidar Jarok wrote:
Well, the movie seemed to play with that more than you seem to be letting on. Yes, at the beginning, they said that you can't change anything. However, it seemed, in the thick of things, that Bruce Willis really wanted to try (and you begin to wonder if they were right about that in the beginning). In the end, of course, they clearly were right.
But that's just Cole's POV, and as the movie went along he began to be unsure of reality, and it was implied that he may have been losing his mind. It doesn't change how time travel worked in the context of the movie.