“It’ll be much more subtle. They simply won’t hire Catholics in order to not risk a conflict.”
As long as you don’t volunteer the information or wear a sign saying “I’m Catholic,” the employer won’t know. It’s long been illegal to ask about religion in job interviews.
Dude, they’re disqualifying all kinds of people from jobs these days in subtle and not so subtle ways. Of course, this isn’t new — but it’s seemed to have picked up.