These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Crowning Moment of Heartwarming: Early in the film, John is talking to Helinger and sees someone receiving pens to commemorate the Achievement of a Lifetime. Near the end of the film, he suddenly is presented with them.
And the speech devoted to his wife.
Family-Unfriendly Aesop: Very deliberately averted. The real Nash never started taking medication for his psychosis again, but towards the end of the film Nash makes a reference to taking "the newer medications". Ron Howard didn't want to send the message that someone with severe mental illness ought to simply learn to put up with it, or attempt to overcome it through sheer willpower.