I can't tell if you're joking or not, but if you aren't, no one is calling you a child. The article is obviously saying that the compiler doesn't stop you from

I can't tell if you're joking or not, but if you aren't, no one is calling you a child. The article is obviously saying that the compiler doesn't stop you from doing dumb things, which is a privilege generally only extended to adults. Nobody is saying anyone who makes mistakes is a child.