This post certainly it would not affect USA (and the rest of the world) but with threats that are not empty, Musk would certainly lose. All ready TESLA stock prices have plunged by billions, with Trump promising cutting off contracts and subsidies.
Some economist say the effect will be minimal. Govt officials say that the revenue from POGO is not that much. China welcomed the banning of POGO
There is much negative social effect: source of criminality, scams, well losses from gambling. And as the Senate investigation is pointing out, can be source of security risk - espionage. Some of their workers could be spies, or soldiers of the PLA
All ready, real estate companies are predicting drop in rents as many offices will be vacated. Initially the real estate market reacted. The prices of real estate companies drooped days after the POGO ban was announced.