Now I see, your graph is only about North America
Spoiler: The world is bigger than you think.
Mac is getting stronger only in North America
And I asked if they would use, not if they would like... Apple didn't care about what you like, look to the Mac Pro trash can. Most recent example is the dedicated GPUs incompatible with Mac Pro PCIe.
And is half power today (debatable), in some years would be totally different.