Until they crash. Again.The problem is that people are going to look at the two economies that weathered the crisis best, and realize that the Sketch Model is infinitely superior, which means everyone's going to have to copy them or risk being reduced to the dregs of history. Us included, and we have enough clay that people are going to run a blanket party with us in the middle because we can't outproduce them unless we become another Sketch Government Clone.
Sure, we can throw manpower out, but that only goes so far.
What works for the Sketch because of geographical position and historical advantage and military power will not necessarily work for anyone else.
Colombia can't exactly use the sell drugs to the rest of the world economic strategy the Brits used on OTL China.
Ask the Maratha and how the opium trade worked out for them.
Some strategies have a timing window for when they can work.
The Sketch got in early. I suspect it might work less well for others.