My Greek professor referred to this construct as the "dative of disadvantage." (The joke is probably lost on 99.999% of the population.)
The proper prep. is "Good for the Baptists."
One more "p" and you've got a candidate title for Baptist sermon.
Let's hope that tomorrow the Baptist spokesman will not whine and cry saying the press mis-quoted him -- that actually the old Muslim guy was a saint, or something. Too many times when the truth is told the pressure from the left forces the truth teller to recant.