only possibility of him getting the GOAT spot

Use his leverage as a potential FA to force Gilbert's hand

You sell me the team at a fair market price, or I walk in FA and your franchise goes back to poo poo (c) status

Of course, I want him to come to the 6ers

but as the OP stated, there's a series of dominoes with the BOS proposals that are almost too good to not happen...hilarisad.