The terrible and absurd redundant apostrophe

The Irish Times has in recent weeks done a series on spotting errors. They published their results in yesterday's paper. And they had the good grace to spot their own errors too.

The sentence below with nine words has two typos/grammatical errors appears on a website. Irish Dominican website.

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And why uppercase priest, chapter, province? After all we don't uppercase plumber, meeting and county. Are priests, chapter and province different from the rest of the human race?