correlation != causation. the 28-day window was solely a way to lower the cost of buying dvd's. Those savings went into buying more streaming licenses. And th

correlation != causation. the 28-day window was solely a way to lower the cost of buying dvd's. Those savings went into buying more streaming licenses. And the the grandparent - the dvd company isn't _required_ to work with the content creators, but it would probably be dumb for them not to.