"If Christianity is true, then the need for careful thinking on that matter--theology--necessarily follows. If it's not true, then the theology really doesn't matter at all: there's no good or evil, right or wrong, other than what we choose..."

Oof.

No. I think there are truths that don't depend on the truth of Catholicism. And I think St. Thomas is with me here.

Have you been overdosing on Kierkegaard?