Revelation Ceased?

Why would some men say that prophets and revelation ceased with the crucifixion of Jesus and the death of his Apostles? Could it be that some of other faiths wanted no challenges to their authority?

What if everyone was allowed to receive revelation for the whole Church? Confusion would reign. Either way, Satan has a field day. (Read D&C 43: 1-7)

Joseph Smith said: “But we ask, does it remain for a people who never had faith enough to call down one scrap of revelation from heaven, and for all they have now are indebted to the faith of another people who lived hundreds and thousands of years before them, does it remain for them to say how much God has spoken and how much He has not spoken?

We have what we have, and the Bible contains what it does contain: but to say that God never said anything more to man than is there recorded, would be saying at once that we have at last received a revelation: for it must require one to advance thus far…”