I think the simple explanation is that it is just result of reddit becoming mainstream and bringing the twitter and tiktok crowd which overtime became the larger members of the site.
Noticed it even before the third party app fiasco with things gradually turning into twitter and tiktok reposts filling the /r/all feed leading me to avoid it.










They see their parenrs struggling and see what is possibly in store for them, and their parents may also not believe like previous generations that their kid is destined to be better off than them.
Not surprising if the parents accomplished what the generation before them thought was the key to success of getting educated and choosing the right career path. So they’ve already “succeeded” and hit the ceiling and see it wasn’t all they envisioned it to be and the job opportunities and salaries in relation to cost of living getting worse.
And the kids pick up on that.