Jonathan Haidt speaks about something similar in The Happiness Hypothesis . Epiphanies can only take you so far, before their novelty wears off and they lose the power to change your behaviour. This is why self-help book readers tend to keep reading self-help books. 4 weeks after finishing one they need another hit of epiphanies. Even the lamest examples listed in the OP article can probably give someone a boost in p…
But can I also say that as long as it works, there's nothing wrong with it?
Some people wind down by jogging, playing video games, watching action movies etc; yours happened to be reading self-help book.
The problem is when one overdoes it, regardless of the activities they've chosen.