City are facing 100+ charges for how they built their team. Going forward they will need to build their team with money they earn (plus 60m/year in outside investment).
Newcastle will either have to cheat, or build their team with money they earn (plus 60m in outside investment).
United will only be able build based on the money we earn (plus 60m in outside investment), or else cheat.
If FFP is enforced, United will have an advantage over everyone, even if the club merely spends what it earns. The calculus of what it takes to compete with City should be changing once those 100+ charges are settled.