The parents could be part of the problem. The fact that he has a court appointed guardian suggests this, but in fact we know so little about this case - and should not know more, makes it impossible to offer any comment.
We do not even know what is meant by extreme wealth. It could be a billionaire, a millionaire or someone with a high income and a big house, but no huge wealth. It then comes down to how high an income is classed as extreme wealth.
Far too many imponderables, and as Scentia has said, a child's need not their parents affluence governs the work social workers do.
I've got another 'keen'... Ouch!