Too much debt and did not know how the gambling companies should be operated in Asia. Most Asia governments deemed gambling as a vice and normally only grant casino licenses based on expectation of very high returns in form of tax, jobs created and investment by casino firms. It is a unwritten rule that firms operating gambling related activities must contribute indirectly via social donation such as donation to charity. Why did the China Govt tighten the visa policy to Macau if Sands knows it's way around?