Good day to answer to a troll, here goes...
26 letters and 0-9 are not the best way to communicate with computer if your native language has more than 26 letters in its alphabet. It's not about being insulted or offended, it's about being understood. The computer speaks all natural languages equally badly, after all.
Let's think about average nordic webshop owner who sells beds online for a minute, operating for example in Finland or Sweden. He wants to sell stuff to the native dwellers and hence needs a domain name that has an "a" with two dots on top of it so that the domain name for bed is spelled corretly in swedish or finnish. It might surprise some people, but there are quite a lot of people who don't speak a single word of english. So the people who he wishes to sell beds to A) know how to spell "bed" in their native language and B)have a key like that in their keyboards, and, *gasp* prefer to use correct spelling when referring to things!
So you don't have an "a" with two dots on your keyboard? That's just too bad, but then again you probably don't speak finnish too well either. Why would you want to visit that e-bedshop then?
"This isn't brain surgery; it's just television." - David Letterman