Which meant that packets of data from subscribers going to YouTube stopped at the ISP, since they thought they were already there, and the ISP threw them away unopened because the point was to block it.
この結果 YouTube へ向かう 加入者のパケットは このISP を目的地と勘違いして留まり ISP は中身を見ずに捨て ブロックの目的を達します