Missing the obvious hypothesis: people in the past had real problems, like living through a war (by fighting in it or having it fought where you were, not by seeing it on TV), or the Great Depression, or other real, actual threats to life and limb. Something happy was a counterbalance. Now, if you're a member of a pampered elite able to work at movies/TV/other mass media for a living (for each one who can, many try a…
or perhaps it's because the world is falling apart and we're on a solid trajectory to make it worse, and unlike a war, it's not something easy to bounce back from?
There's in the front page a post that's named: "A brief history of nobody wants to work anymore"¹ that shows registers from as early as 1894 of media saying "Nobody wants to work anymore".
Even the classic "Kids these days" can be tracked back to 624 BCE².
Socrates said too something along those lines: «The children now love luxury; they have bad manners, contempt for authority; they show disrespect for elders and love chatter in place of exercise. Children are now tyrants, not the servants of their households. They no longer rise when elders enter the room. They contradict their parents, chatter before company, gobble up dainties at the table, cross their legs, and tyrannize their teachers.»