Those are just rumors for now. But given Harley and his dad constantly speaking their displeasure on how Miami is operating. It's fair to assume there's legs to it.
Also, Pope tweeted then deleted something along the lines of everyone else is getting theres, but I'm not. Since then he's been posting stuff about other teams like UF and Clemson for example.
Not a rumor, but public perception - it seems our locker room being a mess is an understatement. You could say JT quitting is on him and not on Richt, and rightfully so. But the big picture mess is squarely on Richt and how he's handled everything.