Originally Posted by
RTWFF
The common factor for all three countries is the exemption from needing a visa for short stays. The Chinese have woken up to this and now have visa-free entry for shorter periods at their main hubs. Vietnam still requires that everyone has a visa AFAIK
Exactly my thought. Any country that requires a visa, visa on arrival, or even pre-registration of some sort, is going to be at a significant disadvantage as a hub.