The habit of allowing nuns in full penguin dress got started way back when San Francisco was much smaller population wise and a little bit more religious and a whole lot less politically correct as people knew their places in Society and nuns were never paid too awful much even as school teachers so the benighted City Fathers to indulge the voters of Faith indulged a free ride for nuns as even back then there weren't a heck of a lot of nuns anyway.
This of resulted in the Sisters of The Perpetual Indulgence bieng formed in a Holy Alliance to get free rides for themselves being in full penguin mode of dress.
Ron Getty - SF Libertarian
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