I think your wrong but you may also be right. We'll never know.
One thing for sure, he owes us nothing. He's gone above & beyond to deliver on track for us and that's what he gets paid to do.
I suspect, this change is about ambition to develope and better himself and a change of scenery may deliver just that.
This may also have come about because of his accident, knowing life is short and financial gains cannot be ignored.
I certainly don't expect rider's to see out the career at one club