Beyler bunu yapanlar neye güveniyor, Google silmiyor mu bu videoları

Örnek: https://r5---sn-nv47enes.googlevideo.com/videoplayback?id=ad406aadc6601ed0&itag=18&source=w ebdrive&requiressl=yes&mm=30&mn=sn-nv47enes&ms=nxu&mv=m&pl=20&mime=video/mp4&lmt=1448781021360765&mt=1448892106&ip=176.33.1 11.186&ipbits=8&expire=1448920933&sparams=ip,ipbit s,expire,id,itag,source,requiressl,mm,mn,ms,mv,pl, mime,lmt&signature=B6792405FB1D4AF377B4B0A00A3C547 B27D0EF36.AD84BBD183D86BCBD70F9FE7941E49A043779B5A &key=ck2