I'm sure Josh is more concerned about Diggs and Davis being gone than most fans.
There is still the draft etc..., but until there are replacements on the actual roster, he might not be that relieved.
All 5 of their 4th and 5th rounders would technically be enough to get back into the middle of the 3rd. But no team is going to want 5 more late picks.
This is why the Bills didn't want to do a bigger restructure on his contract and push more money down the road. The window is closing and Josh is an out of shape tv commercial star who really isn't into football anymore.