It is evident in the way people dress to appear in public. It seems the goal is to be sloppy.
I remember seeing a newsreel of fans at a pro-football game around 1948. The fans were dressed in coats and ties.
Historians say the degenerate hippie culture of the sixties won out entirely.
I always dress up while traveling, though I do wear hiking boots. Don’t expect me to go saving some fat slob wearing flip flops.