Shadowed by his Nazi roots which I never felt he apologized forcefully enough...
And the fact the incredibly shadowy ikea tax structure makes it hard for anyone to compete against. Profiles itself as a Swedish company and uses the country for marketing purposes but has done everything it could to avoid taxes here.
Also, the mountain of cash hidden in all the Dutch and Luxembourg trust funds coming from this tax structure is not being used to contribute back to society in a meaningful way like Gates and Buffett.