I think when people learn of him, he is rated appropriately. I think what you want to convey is he doesn't get much attention for the amount of impact he had, and if this indeed what you want to convey, then I would suggest that the president's staff also do not get much attention for the amount of impact they have.
It is common for the leaders to get the attention, positive or negative, for the results of the groups they lead.
It is common for the leaders to get the attention, positive or negative, for the results of the groups they lead.