> And ultimately the protagonist selfishly endangers his entire crew because he refuses to accept his physical limitations.
I think we watched different movies. Sure the scene on the treadmills showed that he could barely keep up, but he still kept up. To say that he "selfishly endanger[ed]" his crewmates is a bit hyperbolic.
He had a heart condition which was likely to kill him soon. He was healthy enough at the time, but there was a good chance he'd die from it while in space.
I think we watched different movies. Sure the scene on the treadmills showed that he could barely keep up, but he still kept up. To say that he "selfishly endanger[ed]" his crewmates is a bit hyperbolic.