Many Microsoft practices have already been declared illegal. However, Microsoft continues to twist and manipulate the spirit of the law to gain an even larger market share. Recent decisions by the US Justice Department and many state law enforcement agencies have shown that they have not stopped. Forcing people to yield to your desires and even whims might be legal. Slavery was legal in the US until the mid-1800 and is still legal in some places today.
Woman are subservient to men and have almost no rights in many countries.
Maybe the business practices of Microsoft are legal, but they are certainly not moral. In fact, many of the practices have been declared illegal in the US, as well as other countries. Many people stood by and did nothing as black people were enslaved. The question is whether you will sit by and let the immoral practices of Microsoft to continue. If you support Microsoft, then you also support their business practices.