The Catholic Church did that by openly admitting they incorporated pagan practices, vestments, and rituals. They don't understand but the motivation comes from Satan.
>>In the end it's all about, "I don't like that." I'm gonna go find me a scripture passage that appears to agree with me etc., ad nauseam.<<
Well, let's see Catholics defend their beliefs with scripture. You could start with a central tennent of Catholicism the assumption of Mary.
Why should I? I'm not a protestant. I have both sides of the same coin (Tradition and Scripture). Your playground is missing some sand.