From an outsider’s perspective, the US seem to be doing a great job improving the national team while your league steadily improves. Those things often go hand in hand, and is probably the best way to do it. The Saudi approach may improve their league, but may not improve the standard of their national team.
I’m really worried about the state of GTA 6 if and when it ever comes out. It’s all about money and not the games for Rockstar now and it’s been that way for some time.