A lot depends on the market power. So for the Mac store it is a different story than for the iOS store as in the latter Apple has a very high market share. The

A lot depends on the market power. So for the Mac store it is a different story than for the iOS store as in the latter Apple has a very high market share. There are also other considerations. A company may get away with demanding certain exclusivity rules for a few years but now we are getting to the point of 10 years so courts will look at the situation differently.