4. Why do you think ar e US full-service airlines largely undifferentiated low-quality providers? What are the reasons that none of the full-service airlines positioned itself and delivers as a high service quality provider? 5. Some of SIA's HR practices would be illegal in the United States and Europe (e.g., making renewal of contracts dependent on employees maintaining their body weight; or having all its cabin crew on time- based contracts that are renewable every five years). Is this fair competition (i.e., desired competition between regulatory frameworks, as was favored by Margaret Thatcher, former prime minister of the United Kingdom), or is it arbitration of regulatory environments that encourage a "race to the bottom" in terms of employee rights? 6. How do people feel if they are working in a culture that focuses so intensely on customers, but cuts costs to the bone internally