In my earlier post, I made an error because I confused two Islamic concepts. Zakat is not, as I stated, “the poll-tax imposed on non-Muslims for the privilege of being permitted to live under Muslim authority.” That, instead, is jizya.

Zakat is the fixed portion of one’s wealth that all Muslims are expected to give to charity.

While I regret the error, I don’t think it changes the thrust of what I wrote at all.