I wonder how many flaws you picked up on yourself and how many of those flaws the internet told you to be outraged about?
I loved the movie, I love the TV series it is based on. For some reason many think that they have to like one or the other.
I noticed several while watching the movie (e.g., why not use a timer?, "cold" fusion, underwater?, doing all that just to get your crewmates?), noted more right after when I got irritated by some of the scenes, and was pleasantly surprised by more after reading reviews (why didn't I get that?).
So much for