The clock's ticking and this could avoid him from paying the fine of not attending the training camp of the 76ers.
It's a win-win situation but the only problem I can see is him.
He may be the picky type and he doesn't like the Cavs environment or he could be aiming at a higher standard team name like Clippers, GSW, or the Lakers.
Considering the rosters of those teams that are packed with stars, he may not be able to even gain minutes per game.
Probably if he doesn't want to pay any fine for not doing his obligation for the Sixers, the point I see here is the willingness of Sixers to let him go and sacrifice with the condition that they are trying to acquire.
Based from that article Cavs really wants to get Simmons and they are trying to free up their capacities to offer and negotiate with the Sixers, it's then in the hands of Sixers to adjust and make this trade to happen if they really want to grant Simmons request.
Aiming for a much more competitive team now might not work as those mentioned teams already have stars that fits to their needs, unless Sixers will be the one to bargain Simmons it might work not sure though if what sacrifices they needed to deal with if they push things out.