>>The main problem in developing countries, of course, is the price. After all, US$ 500 (for example) is more than a month of salary for most people in the World.
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>From the buyer's point of view that certainly is a big issue. But, what I am trying to say is that even from the seller's point of view, this EULA makes no sense ultimately.
That's right. In general, the more expensive a product (money, plus other aspects might be considered here), the fewer buyers you will get. And the more you abuse a monopoly position, the sooner will you risk losing it.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)