Lefties who have delusions that everything in society can be equalized
I don't think they're deluded in the slightest.
1. It's a plausible sounding sales pitch.
2. It's a bait-and-switch to get the hook set, ensnare people, and use them for political ends.
And, while no raging fan of Rome's bureaucracy, I haven't ever met a monk or priest that wasn't a walking copy of the Beatitudes.