> Heck, you can literally run BitTorrent on a website using WebTorrent. You could force users to download and share copyrighted movies or other illegal material in the background without their knowledge when they visit your website

Yes, I wrote this a few times in threads like this but for some reason this is mostly ignored. Having WebRTC enabled by default can get you in legal trouble (at least in a country like Germany where lawyers send you letters based on IP addresses).