It isn't right to view something like equality before the law as a matter of somebody else's self-interest, or to justify a ruthless pursuit of self-interest by recasting it as service of an imagined collective interest.
If a bunch of, say Catholics, get together to make a community group and lobby for something they want - how is that not that groups ‘special interests’ in every practical way?
Anyone who doesn't find that self-evident, I challenge to think of a single political opinion that is universal to members of any religious sect or ethnicity that is not universal to all human beings.
Dispensation for Orthodox Jews to observe Shabbat even when they would otherwise be compelled to break it due to civil duties.
The right for Muslims to take specific breaks for prayer when required, and have a place for such prayer.
And I can go on.
Or are you going to move the goal posts again?