The main reason is that almost all flash websites are a huge pain in the ass to use, you can't link within them, you (usually) can't copy text out of them, and

The main reason is that almost all flash websites are a huge pain in the ass to use, you can't link within them, you (usually) can't copy text out of them, and they generally put whiz-bang visuals above the users' ability to, y'know, use them.