> No, the argument is crypto is primarily used for crimes. Which is true.

The argument is right here:

> Outside of buying sex and drugs the only uses for cryptocoins are, and always has been, ransoms, scams and gambling.

It doesn't contain the word "primarily" which indeed makes it false, and the rebuttal to your different claim is this one:

https://news.ycombinator.com/item?id=46190260

> Also, if you want privacy, don't use crypto.

Can you tell me another way of buying something over the internet without tying the purchase to a government ID?

Yes, and "buying subversive literature" is a crime too. That was the original point.