Yes he did. Someone already brought that up earlier on the thread, and if you are making the same point that they were trying to make (that God might use a sinner as a prophet), then I would say simply that asses aren’t sinners.
You don’t think it would depend on whether the
. . . uhhh . . . donkey
. . . was Calvinist or not?
Armenian, or not?
Had free will or not?
was demonized, or not?
Not necessarily a sinner, Boogieman, but an unexpected and not a normal way of getting the point across.