They must think that this way they will make more money. In the end for them it is not about generating a good incentive for people to stay with windows, it is

They must think that this way they will make more money. In the end for them it is not about generating a good incentive for people to stay with windows, it is just about not giving them enough incentive to leave. And - given that most people who use windows have no alternatives - the bar is very low.