One of the strongest reasons is Minimum Effort Syndrome. People do everything with a focus on having the minimum effort on everything. Maintenance takes work, s

One of the strongest reasons is Minimum Effort Syndrome. People do everything with a focus on having the minimum effort on everything. Maintenance takes work, sweat, burns neurons. The same as admitting that you're wrong takes effort. Giving preference when driving takes effort etc. Of course there's the money factor too.