As far as I am concerned they should continue hosting alpen-donau.info as it is a perfect example why nobody should use American hosting companiesö.
Freedom of speech and expression is a great thing as long as it is exercised without hindering other people to also express their opinions and beliefs.
This is exactly the case with those Nazi-Wingnuts. First-Amendment-Criers always want to grant everybody this right to free speech - rightly so! But once free speech is used to restrict other peoples' right to speak their mind freely there is a difference.
The difference is between the government and corporations.
According to USA doctrine the government should never step in and silence anybody. I'm fine with that because I don't live in the US.
As a corporation (i.e. Dreamhost) I would be careful to choose who I am doing business with.
This thread is not about the first amendment, it is about a corporation choosing to do business with Nazis.