... You said the man likes guns, and is unhappy. That sounds like Hollywood. Far from having a well adjusted happy guy who likes guns. Not the PC cup of Darjeeling.
Ya oughta see the movie, T-Star. Not typical Hollywood.
The reasons for the main character’s unhappiness would make any normal man unhappy. While I don’t recall the movie making any obvious points about guns..... well, let me take that back. At one point a child with a BB gun is chided appropriately to consider all guns loaded. I’d say the tone of the movie is sympathetic to gun ownership, with guns simply being a needed and normal part of life, and tools of the trade to a hunter or LEO.