Wilson

You need a charismatic lead for this. Though not to take anything away from all the other actors in this, who also do an incredible job. But the neurotic and cynic filled lead is just greatly portrayed by Woody Harrelson. This movie obviously isn't for everybody, no matter if the quality of it is undeniable. And it doesn't have to be, tastes are different.

So don't judge those who like or hate this. There is merit to both depending on what you like in movies or in life in general. So try to be open minded, you don't have to be friends with the character, you don't have to agree with his lifestyle or his choices. But you can have empathy for him and his quest for something in life. And the quirky way it is portrayed ...