“Meno, the Chasidim have at least as many great marriages as non-Chasidim, so clearly something is working with how they’re doing things.”
I don’t doubt that. But as I said it’s not for everyone. The chasidish system works well for chasidim due to other cultural factors. That system wouldn’t work well for other people.
My point is, perhaps you’re right that in an ideal world everyone would do it that way. But this isn’t an ideal world and there’s no way you could get the chasidish system to work for everyone.