The elements of Modern Orthodoxy that you are troubled by have always existed in Yiddishkeit and are right not Baruch Hashem fading (except in certain circumstances where certain Rabbis who graduated from certain non-YU places call themselves “Modern Orthodox” but are not frum).
Right now I think the responsibility we have is in taking the beam out of our own eyes. There are numerous endemic problems right now in frum trends that many people are afraid to openly address, and those that do are labeled outsiders. And it’s only getting worse.