What the hell???...

Me and Dad went to do a bit of grocery shopping today. At our local shopping centre, there's a part near the bank which is built up. For safety reasons, where the end of this built up area is, there is a kind of steel gate barrier, to stop people from falling off, I guess. If it wasn't there, people would fall right into the path of oncoming cars. Or do themselves an injury, because its a bit of a fall to the road there. Anyway, Dad was driving through the carpark, I was in the passenger seat. You have to drive slowly past this spot, as it's on a curve. As we were passing the gate thing, I couldn't believe what I saw. A little girl, no more than 5, was swinging from this gate. Because we were driving slow, she waved at us. I called out, WHERE'S YOUR MOTHER? I told Dad to stop the car around the corner, and I got out. I looked around for the mother, no one in sight. I waited, couple of minutes, and the mother came out of the bank. I said to her, "Is this your daughter?" She replied yes. So I turned around and said to her, "Do you realise your daughter was swinging off the gate, and could have fallen down into the carpark and got run over?" It was like she couldn't care less. She said she was only in the bank for a minute. I said I don't care, you should be ashamed of yourself, anything could have happened to her. I was so mad, I didn't wait around for her reply. I got straight back in the car and told Dad to go home.
What is it with parents these days? Do they have NO concern for the wellbeing of their children? That child was alone, she could have been taken by a paedophile, been thrown off innocently by someone passing and not seeing her, anything! I'm just gobsmacked by this.