From my observation living in Texas for 35 years, _most_ people who buy trucks don't need them. They are buying for the same reason people by Harley Davidson bikes - not because they are the best vehicle for the job, but because they need to compensate for something.
Dodge has a repuation for being the "toughest" and "boldest". It's not necessarily earned, as Ford trucks have done far more real work than Dodge trucks. But Dodge has Viper and Hellcat and SRT and other nonsense which is loud and obnoxious (and I do admit to some appreciation of their willingness to try wild stuff and actually pull it off).
Honestly, most people don't put a lot of thought and research into vehicle purchase (or any other life) choices. They don't make spreadsheets to compare options, weighting and scoring attributes. They watch TV, and the car ads (which comprise about 1/3 of all ads) lead them to their chocies.