The owner of PSG has done the same getting PSG huge sponsorship deals through the Kuwaiti government.
Barca and Real Madrid get Spanish government hand outs in Spanish government owned and connected companies for huge sponsorship deals. Plus they get more tv money.
If anybody ever buys Nufc they will not be able to pay for Players, Stadium and training ground improvments, And then spending Millions in court cases trying to untangle Nufc finances from SD.
Plus SD get most of the profit from Nufc Strips and other merchandise.