1/ I don't see how the Church's teachings have been "invincible" over millennia. It evolved, if only by synods, that debated and settled dogmas (and what was true at one point, became not at some later one... so go figure). And outside of its sphere of influence, it's been shown (not always, but enough to question its whole authority) to be wrong or irrelevant - sexual and power abuse scandals are the most prominent and recent fruits of evil I can quote.
2/ claiming that God's is behind you, without any relevant and factual proof of it (and any verifiable claim from God saying that you indeed are acting in His Name), is the perfect excuse to do whatever you want, as no one would think of critiquing you. "Tradition" is of no help either here. That's the Achille's heel of hierarchical religions.
EDIT: especially because
1/ I don't see how the Church's teachings have been "invincible" over millennia. It evolved, if only by synods, that debated and settled dogmas (and what was true at one point, became not at some later one... so go figure). And outside of its sphere of influence, it's been shown (not always, but enough to question its whole authority) to be wrong or irrelevant - sexual and power abuse scandals are the most prominent and recent fruits of evil I can quote.
2/ claiming that God's is behind you, without any relevant and factual proof of it (and any verifiable claim from God saying that you indeed are acting in His Name), is the perfect excuse to do whatever you want, as no one would think of critiquing you. "Tradition" is of no help either here. That's the Achille's heel of hierarchical religions.