They are going to bleed talent... but they also have the draft capitol (for now) to replace it. It is a good position to be in, but I think if their owner were not a complete and utter pile of trash, they'd be in a position to rule the league for a decade. Even ignoring the absolute screw job he pulled on the city of Seattle, they traded harden for pennies on the dollar because of a 2 million dollar gap in pay. The dude will absolutely not allow for those 2nd apron penalties, I question if he will even go over the luxury tax, especially if they win without it.
This is all Presti... who ironically botched a ton of moves during the 2010s (although admittedly constrained by his awful owner), but only kept his job for their insane tank scheme... because Bennett is such a cheap skate.