You’re totally correct, but do remember that he and celebrities (in situations like this) will need those fans again especially depending on what that announcement is next week.If it wasn't for his talent he wouldn't be rich and famous.
The 10 seconds people took out of their day for prayers ain't save him the doctors did. The fans didn't do any actual work to get him back on his feet so Jamie doesn't owe them shyt.
Some celebrities like to complain about fans until they need them and also take them for granted.