Not if you don't need the market share.
Even better, Apple could've posted a large disclaimer on the iTunes' download page: "We don't guarantee 100% Windows support"
Poor people tend to breed more because:
- They have less access to education, and as a result, no idea about family planning.
- They don't have access to high-tech machineries, meaning they have to employ more labour, including child labour.
You could sterilise them now, but the slums would still be repopulated in no time if you don't tackle the root causes of poverty.
That's “non-open open source”, with two opens.
In other words, it's the Cathedral model.