It's also excellent means for division. We can play at equality and tolerance, but there's a clear divide among people and by pushing these idiocies from earlier ages, they're just making sure that the divide will grow ever larger.
Being a child/teen is already confusing enough as it is - plenty of insecurities and doubts to choose from, so it's normal for them to be questioning things. But when you push it on them to decide that they identify with something they don't, you just push them over the edge.

In my country, there's a lot of talk about a coming referendum (whether gays can adopt or not) and the thing is I think a lot more people would be for if they weren't afraid of extremes such as this. The sad truth is, if this passes, it's only a matter of time until we have sex ed in kindergarten and transgender pride for 2 year olds. And I have a feeling those people opposing the referendum are more against that.

As I was saying divide, it's driving both parties to the extreme and to viciously attack one another. this is not just a win for child traffickers. It's a win for the system - you don't have time to think how badly they're screwing you if you spend all your time thinking how much you hate the "others" whoever they may be.