To me, Favre's reiteration of his plan to retire started the clock on his eventual reconciliation with the team he played 17 years for.
If you're inclined to believe him this time around -- his health and 2010 performance are persuasive indicators -- then he's five years away from enshrinement in the Pro Football Hall of Fame. Favre almost certainly will enter the Hall as a Packer, and you would hope that all hard feelings will have dissipated by then. (*Update: I realize Favre won't literally enter the Hall with a Packers helmet on his bust, as major league baseball players do. The point was more figurative. I think all parties would want Favre to enter the Hall with his career defined by his play for the Packers, not his divorce.)
This is not to suggest that Favre and Packers general manager Ted Thompson need to rekindle any kind of personal friendship. And Favre doesn't have to assume the role of paid franchise mascot the Packers once envisioned for him.
But at some point, Favre and the organization will have to come together and agree, at the very least, to let bygones be bygones.
The Packers once planned a retirement ceremony for Week 1 of the 2008 season. I'm guessing they would like to schedule another one in the next few years. Nothing that happened in the summer of 2008 should cast a permanent pall on the relationship between perhaps the most iconic player in the history of the NFL's most iconic team.