Yes, I agree the US is an a great country. The US culture is still the most influential in the world. Everyone loves American foods, movies, and consumer products.
Cambodians love American culture. Young Cambodians are desperate to see new American movies, try American foods, and get their hands on new Apple products. They love Facebook. The majority of Cambodians favor the US over China:
https://www.statista.com/chart/32058/preference-for-us-china...
Interestingly, the majority of Thais favor China over the US. The most likely reason I guess would that a very large percentage of Thais claim some form of Chinese ancestry.
There's a reason why so many people are desperate to get into the US.