Windows Live Messenger with sex criminal reporting tool

It is said to be implemented for young people using Windows Live Messenger and MSN messenger in the UK.

Details are as follows.Microsoft adds 'one-click' sex offender report tool - Web User News

According to this article, if a person under conversation by a minor Windows Live Messenger user is a sex criminal, he will be able to inform the police with one click. This seems to be a measure to prevent sexual abuse for children.

As to why such measures were taken, there seems to be a situation that sexual damage to young people is continuing in SNS such as "MySpace" in the background. Is it even introduced in Japan?