You obviously haven’t watched the play.....
https://www.google.com/amp/s/sports.yahoo.com/amphtml/patriots-punt-return-td-called-210957893.html
When you watch the block happen, the defender actually had time to brace for the hit, which doesn’t make it a “blindside” block. The play has been talked about a lot, so as far as me being “clueless” then I guess there’s a lot of other people in the sports world are as well...