So a church that is morally opposed to Birth Control and doesn't want to employ people who are going against their beliefs can't make sure that their employees are in line with them?
That's exactly what it means. The church should have absolutely no control of what people do outside their job because it's none of their damn business. This is a major problem with all religion, instead of guidance and forgiveness they try to be authoritarian and judgemental. The church has this arrogant and false assumption that they have the right to tell anyone what to do.
Father Ted: "I'm not a fascist, I'm a priest. Fascists dress in black and go around telling people what to do, whereas...priests..."