Ego depletion is quite a narrow psychological effect. If the idea that people’s moment to moment fatigue saps moment to moment willpower is debunked, that’s far from showing that akrasia isn’t a thing in general.
In a world where general-sense akrasia was not a thing there would be a far higher rate of people being ripped like movie stars, a far lower rate of smoking, a much high rate of personal savings etc than there is in the world we inhabit.
Willpower is likely not a valid model — see the top-level comment by MichaelStJules below.
The point remains valid, though, that people are only willing to change their lives so much.
Ego depletion is quite a narrow psychological effect. If the idea that people’s moment to moment fatigue saps moment to moment willpower is debunked, that’s far from showing that akrasia isn’t a thing in general.
In a world where general-sense akrasia was not a thing there would be a far higher rate of people being ripped like movie stars, a far lower rate of smoking, a much high rate of personal savings etc than there is in the world we inhabit.