Accountants and teachers were suggested, I'll happily single out another profession if you prefer?
I suppose if you're someone with the luxury of an expensive education, you wouldn't emphasise with those who did not have such opportunity. Not everyone can afford a degree or to take time out of their working day to get these non-essential qualifications.
Not that I'd put Rooney in the poverty bracket, but he's worked hard under unprecedented circumstances, and shouldn't be discouraged due to lack of a specific coaching badge.