Take it for what it is worth.
Marshall is not going to be the coach after next season unless significant improvement is shown. There is a feeling at the club that coaching strategy and in-game decision making is not good enough, and that players may develop faster and at a higher standard under a different coach. Players are fond of him but competitiveness and winning are seen as far more important.
Stefano leaving was also seen as a clear comment on the perceived lower quality of coaching at the club compared to others.
Richo knows that no coach could come in with this roster and have success. He also knows he couldn't come in and sack the biggest Tigers of them all, Marshall and Farah, without getting the nose of some old egos in the club out of joint. Farah has already chosen to leave, putting the heat on Marshall to surround himself with more proven coaches where he has been reluctant in the past.
There is hope that Luai will make a noticeable impact next season, especially on the younger players, and stave off any thoughts they may have of leaving like Stef did. If he doesn't, there will be clear reasons to sack Marshall, as much of an indictment on the club as it would be for providing such a long contract in the first place. Don't think that candidates are not being identified in the event that it happens.
Heard this from a someone who has known things and whose name you'd know.
It all makes sense tbh - we are vile and have not been competitive in most matches this season.