Their situation was always overrated, though. Crowder was very vocal about their fans cheering Hayward as an opponent, but it's extremely unlikely he was the only one annoyed with the situation. There was an interview with Jaylen Brown after the Bradley trade, and you could tell there was some bad vibes from the whole situation with Hayward coming in, and the guys who got them to the first seed being looked at as expendable.
I am absolutely convinced this would have been a very toxic situation for Hayward if they hadn't basically rebuilt the team from the year before. Trading Crowder and IT would really help the situation as those guys are more likely to feel slighted with Hayward coming in as teacher's pet, but if this trade falls through, the Celtics are going to be REALLY ****ed. They will be in situation where it's almost impossible to keep IT and Crowder, yet they will be at a huge disadvantage trying to get value for them due to the circumstances.
Cleveland is now trying to squeeze more value out of the deal, and it will be extremely interesting to see what Ainge does here. I kinda hope the trade falls through altogether and Boston is stuck trying to make the best of their toxic waste.