Imo, it isn't really that important how many billions his personal wealth is. Of course you need that money to make an impact. Because of FFP and also the STCC rules The Esk has explained here before, you can't just spend limitless amounts of money on players. You need a businessplan a d a clear vision how to go about things to really make a difference.
Somehow I think we got exactly the owner who will do that in Moshiri. Almost all PL clubs have enough money to swim in. Difference will be how to use it. Looks like our wage structure will increase significantly more than at about 80% of the rest of the PL clubs. That will probably at the cost of one of our greatest assets in the squad, John Stones.
Not happy to lose him at all, as I think he'll become a superb player, but he's more replacable than Lukaku imo. It's a case of taking one step back to make four steps forward. Also the new stadium will give us a tremendous lift financially.
Also history suggests we can be/should be one of the predators at the top of the food chain. This club has been build for success and glory and I for one am extremely confident we'll get back to where we belong under Moshiri and who knows Usmanov.