Stop being old its important
Interesting observation, i think the described demographic is also the same one that consumes Agatha Christie's novels before HP was published.but by English, and then American middle-class White adults buying them in droves. Again, that's the phenomenon that needs to be explained - and the syndrome I'm describing is what the books "tapped into" as the saying goes.
The overcoming your traumas/negative quirks as self actualization/ personal progress arcs, I see that concept proliferate in yippee non fiction like love pray eat.the special snowflake power fantasy angle