My question was "Do they know any peace?" Possibly they do. It's not known to me either way. Clearly I'm skeptical of whether materialism can deliver peace,

My question was "Do they know any peace?" Possibly they do. It's not known to me either way. Clearly I'm skeptical of whether materialism can deliver peace, and clearly I'm saying peace is worthy of pursuit, but falling just short of judging others' level of peace achieved is prudent.