I don’t see how anyone can treat that with any weight either, because you already have to assume people will have no conflicting desires. How will you solve a love triangle with 3 monogamous individuals? What if two people disagree on something being right or wrong?
Scarcity is hardly the only cause for suffering, and that’s the only part that can be solved in a compelling way. That’s what makes it feel like tripe, the biggest obstacle to utopia being ignored and being told ‘don’t worry about it’.
At least a miserable child is a veneer to place over the gaping hole in logic, and people wonder why that makes it more believable? Because it’s at least some semblance of an answer in this made up fantasy world(that also only follows the author’s views and does not reflect reality at all)