It doesn't affect Windows 10.
It was probably in earlier versions to enable Remote Assistance and the like, to help fucking retards like buttplug and repeater when they get stuck.
The Internet should be like a motorway, no L-drivers allowed. There should be a special dumbfucks mini-internet for them to learn how to access katoey dating sites and Fox News and stuff before they are allowed to start posting drivel on the first forum they find; and it should be isolated from the proper internet so people don't get blasted with shit from all the infections they inevitably contract.