Recognizing that Jesus was God incarnate, the Man-Messiah, fully human/fully God, hypostatic union of the theanthropic person, has little to do with the Roman errors that detract from the real Gospel. Venerating Mary (to the point of idolatry), sacerdotalism, indulgences, purgatory, absolution, and all of the other baggage profferred by Rome simply attempts to obscure salvation by grace, through faith, and that not of yourselves, it is the gift of God, not of works, lest any one boast. Sound familiar?
You are entitled to your opinion, but the veneration of Mary has everything to go with God’s most gracious gift, which is Jesus the son of God, born of a Virgin. She was the means by which God entered history.