For me, the worst part is that I don't think there was any intent to contravene it, just this kind of Man before God, to get Man to God, type of thinking that there is no cure for.
I've never been able to develop an affection for the philosophy of Humanism (it doesn't consider Christ at all!), and it is this philosophy that lead to Assisi with the predicatable results of Humanism leaving it's not so precious mark on Catholicism, but Catholicism leaving no mark at all on Humanism.