He thinks the Marian and saint prayer thing is idolatry as well as angel prayers. He just goes to the Mass and doesn't participate in those 3 things. When he goes to confession, he omits the hail Marys and replaces them with Our Fathers.
This guy doesn't go to Evangelical churches because they're not intellectual enough and don't have enough reverence and ritual. He doesn't like the whole stadium as a church thing or rock music in church thing. He's also not into the anti-reasoning approach they have to life.
But doesn't go to Mainline churches because they're good with female pastors and divorce and obsessed with BLM, pro-abortion, and LGBTQ as topics for church teaching.