He is in the wrong for saying that you don't need to go to church, bible says it pretty clearly that the gathering is essential, but on the ecumenical councils interpreting things, hes fully right to question it. For example, the eucharist, I cant say whether its symbolic or not because the original scripture language isn't very clear or defining on that. Jesus has compared himself to objects before, it doesn't mean he is literally a vine, or literally a door. There is a huge debate over whether he was metaphorically speaking, or being literal, because the original language is unclear in that regard. Its these types of issues why the church is so divided, and clearly one church is completely wrong and the other is right, I don't think they should be calling something unclear the complete truth. So i think he's completely right to question the church in this regard, and not trust them. The church is prone to corruption, the bible isn't. Or maybe im just larping idk