You tell him hes not in charge of anything anymore. Whoever comes in is now in charge. If Rodgers does not like it then he can leave. Whoever the Jets hire need to lead and hold this team accountable, including Rodgers.
It can still happen. When Denver lost to Indy it was OVER for Peyton in Denver. Fans didn't want him back, he looked awful, was booed off the field, etc Despite all that they changed coaching staff and put it together and won the Super Bowl, even with Peyton not contributing to much but just managing the games.