For instance, they amount for 1/3 of all of Thailand's tourism, the most touristic country in the world.
They do build amazing futuristic condos. Google "shanghai skyline". It takes time though...
And Western food is not always known for its quality: the west gave the world burgers, fries or pizzas.
In the end, I'm sure Asia is doing so well because the West thinks poorly of them and leaves them alone.
Hint: I live in Asia and I'm amazed at how so many westerners don't get Asia.