It was fantastic, I STILL love it after all these years (holy hell has it really been 17 years???), just not the outcome of course, that sucked. Hasselbeck remains one of my all-time favorite Seahawks...Great leader, fantastic personality, great sense of humor and was a very good quarterback for us. Hass said he was just teasing Favre, a friend, and didn't realize the mic was going to pick up his comment for all to hear. Regardless, loved the bravado in that moment and wouldn't change it for anything regardless of the way the game ended.
As for "the play" I remember Hass saying that Bannister was supposed to run a shorter hitch or curl route. Hass threw the ball where he expected Bannister to be but Bannister instead ran it a yard or two deeper than expected which allowed Harris to make the easy Pick 6 for the win. He wasn't trying to throw Alex under the bus at all, just explaining what had happened on the play. At least that is my recollection.
The game, despite the loss, signaled this team had turned a corner and that more wins than losses would be the norm moving forward and for the most part that has remained true to this day.