How Amazon annoys 95% of the world

It must lose them sales and customers, and it would not be to hard for them to fix. I have even told them about it myself. But they still continue...

I should explain that I do not live, and have never lived, in the United States. Amazon know that, as they have my billing address and my shipping address, and a history of my addresses as I have move from place to place around the world, and I have ordered various books from them.

So why do they keep making me offers that are only valid within the United States? Every time I look at a book, it is like "order this now and get free shipping". And then when I get to the checkout, it is like, "we do not do this for this address". Or I do a search and get a list of products, and I order some, and then its, "sorry this product is only available for United States addresses".

I mean, why do they bother? It seems deliberately calculated to annoy customers, at least those outside the United States. Ok, less than 95% of Amazon's customer live outside the US, but 95% of the world's population do. And it would be easy enough for them to fix.

All they need to do is check before they make the offer. They have the information — after all, they make they check just a little later — so all they need is some sort of if-test in their website generation code; some sort of markup maybe. So why don't they bother?