Earlier quoted context omitted.
IMO Gattaca makes a great case for genetic testing. An idiot with a major heart condition bluffs his way onto a space mission where he's likely to die and endanger the rest of the crew. If the testing had been a bit more thorough (say, if the doctor in charge of testing had done his job) then the mission wouldn't have been endangered. It's strange to see everyone hold up this movie as an argument against this sort of…
The conflict at the heart of the movie is between the rational vs the emotional. In so far as it makes an argument, it's a weak one; but the core it is in the discussion between the brothers about the race / rescue from the sea. It's rational to curtail ambitions; it's rational to give up if you see no hope of an endeavour succeeding. But Ethan Hawke's character didn't let his rational mental model limit what he coul…
It's particularly unfortunate because it would have been so easy to fix. The risk to others is unnecessary to anything the movie is saying. That it wasn't fixed says to me that either the writers couldn't be bothered to think things through, or they believe that personal ambition is worth any price, even the lives of people who don't consent. Neither alternative is very attractive.