Instead, he argues (which I fully agree with) that we should focus on reducing misery. As a society it is far more difficult to agree on "maximizing well-being", but "minimizing suffering" is an objective we can all agree on as a measure of policy.
And he says, setting "reduction of misery" as an objective for policy would result in very different activities.
[1] https://www.haaretz.com/israel-news/.premium.MAGAZINE-why-no...