EDIT: I'll have to do a little extra work in collectingcollating all the correct answers to earn my green tick, so here they are:
Everybody slept for most of the movie.
Inception, where most of the movie happened in dreams, dreamt by the characters who were asleep.
An Apple computer discovered some plant and eventually make everyone do exercise.
WALL-E - humanity is obese, the earth's environment is shot, the titular robot discovers a plant, and at its conclusion they start restoring the environment and get people off their behinds! Courtesy of Phylyp.
It’s a Shakespeare adaptation but with cats and monkeys.
The Lion King. It's basically Hamlet with lions. Courtesy of Jaap Scherphuis.
90+ year old government employee convinced a group of friends to betray his country.
Captain America: Civil War. Captain America, the world's oldest soldier, led the faction of superheroes who were against the Sokovia Accord as mandated by the UN.
Sport athlete got caught by the police and forced to do manual labor, ended up learning humility and got sweet sponsorships.
Cars. Lightning McQueen is a racer car, gets caught in Radiator Springs and has to repave the road, learns humility in the process. Gets sponsored by Rust-eeze. Courtesy of Thorbjorn Ravn Andersen.
Man killed a dog then died because a woman brought him home.
I am legend. Will Smith's character has to kill his infected dog, goes mad and is found by a woman. This woman brings him home, without covering their tracks, so they are tracked. Courtesy of Kamil Jurek.
Genius with superiority complex abandoned job offers to chase some girl he met in a bar.
Good Will Hunting (1997). Will (the protagonist) is a math prodigy with a superiority complex who rejects a lucrative job offer from the NSA and instead drives to California to reconnect with Skylar (a girl he met at a bar). Courtesy of ConjuringFrictionForces.
Middle age man with unorthodox diet help chasing someone obsessed with skincare products.
Silence of the Lambs: Hannibal Lecter most definitely has an unusual diet, and he helped Clarice Starling arrest the serial killer Buffalo Bill, who was seen putting on a lot of make-up.
A son understood his immigrant father more after he went to Europe and fell in love with a girl.
Godfather. Michael Corleone goes back to Italy and falls in love with an italian girl. Courtesy of Thorbjorn Ravn Andersen again.
Two men arrived in Los Angeles seeking a young kid. You’d want to root for the more muscular one.
Terminator 2: Judgment Day, courtesy of user137369. The good robot (titular terminator) as played by the massive Arnold Schwarzenegger, is looking to save said young kid.