The sale of the team has altered the standard operating procedure of the front office. John Harrington has been willing to spend money - while bound to upholding his ultimate responsibility to the bottom line of the trust.
Nothing succeeds like success.
To that extent, Dan Duquette and Jimy Williams have their futures tied together. The trick is in managing said excrement. Regarding whether this volatile situation has been handled, time will tell. I do not see either of the principals fundamentally altering his behavior. From Everett's perspective, he believes he's right, and anyone challenging that is openly disrespecting him.