Zdad: of course it is related, because you are precisely arguing that we should become MO to keep our kids frum. So we should see whether that works for MO
Not quite. Plenty of “Yeshivish” people do these things as well (but perhaps not as openly). And one can be “Yeshivish” and not be “Machmir” in various Chumros (such as stockings). One does need to be informed where the line is.