Wow! What could have caused this? Bueller? Bueller?
It's because they used to believe in total Biblical inerrancy until about a hundred or so years ago when they suddenly reversed themselves and also claimed they had never taught total Biblical inerrancy. Soon they will reverse themselves on homosexuality and probably make the same claim.
Who would want to be part of such a wishy washy, dishonest religion that drops traditional understandings the moment some modern yells "boo!"? Semper idem my foot!
Catholicism is for intellectuals, not ordinary people. The only way to be an ordinary person and a Catholic at the same time is to be born one. They indeed worship the "gxd" of the philosophers, not the G-d of Abraham, Isaac, and Jacob.