I might do the same in your shoes. But the fact remains that pitbull is no more dangerous inherently than your average mutt. Probably less so. Yes when they go wrong they tend to cause a bigger mess - but so does Porsche or Ferrari. But we don't go around banning the dangerous car.
And there are a LOT more pitbull fatalaties than your average mutt. See http://www.dogsbite.org/bite-fatalities-2010.htm
It was wrong of me to say that Pits are less dangerous than your average mutt - because that is clearly not the case, since your average mutt is NOT 100 LBS of muscle and determination.
I should of said that pits are (inherently) less likely to attack humans than your average mutt - meaning they take "encouragement" (read training) towards human agression.
And we've had several incidents of pitbull attacks in this area. Here's a useful site: http://www.dogsbite.org/dangerous-dogs.htm
Last thing I'd want to tell a parent is, "You child was attacked... sure I saw the pitbulls, but I just assumed they were friendly, I mean, JanezStupar has never seen a vicious one before".