It drowns out congregational singing.
It causes us to shut down or at least move in subconscious realms instead of quickened-spirit, aware ones.
It smacks of liturgy and high-church nonsense.
It has an overblown ego to match its pipes and its use of electricity: it tends to think everyone should follow it, regardless of phrasing, text, tempo, etc.
Organic is often best in the food arena (when it’s affordable). But organic is not best in the church arena.