I guess the inevitable conclusion is that some SB users are having all kinds of problems and some are not. And I suppose which camp one finds oneself in depends on all kinds of variables, including configuration, build date, installed applications, usage patterns, and other factors.
However, the fact that many users are still having so many problems suggests that there is a problem, overall. Saying that some users are not having problems is no answer to those who are having problems. And having people in India telling customers to reinstall Windows as a supposed fix to every possible problem is a very weak and ineffective approach to customer service.