I haven't read a Jet response on the blocked punt, and from the way that Westhoff was talking to hm it seemed that there was something about his assignment choice that was not right. But upon viewing the game a 2nd time and slowing it down it looks to me that the primary responsibility actually fell to Purdum the long snapper who actually ended up blocking nobody on the play.
The arrows are a little confused but Tebow takes the first man through who for some reason Purdum just let go. If Tebow did not pick him up he may have had a clear path to the kicker.
In the above you can see Purdum reaching out (and whiffing) on Wilson who has looped behind Carroll who now has occupied Tebow. Again, I don't know the protection, but it seems to me that anything that has the center blocking nobody is something of an error.
If anyone has a link on the responsibilities of this play would love to read it.