https://www.google.com/search?q=nazi+swastica&ie=utf-8&oe=ut...
Not to mention copies of the Mein Kampf, etc.
Thankfully, the various non-Nazi uses of the swastika appear to be the most popular, but you can find plenty of Nazi items. I dislike the meaning of both symbols, so I have a hard time imagining any logic where it's okay to sell one of them but not the other.
We only burn the bad books, right?
I guess the argument one could make is that the confederate flag is more dangerous and relevant today, but I don't really buy that.
Occam's razor suggests this is just an easy PR grab. They get a few headlines in mainstream tech press for free, and very minor backlash from "free speech nutjubs" as the only downside.
Also side note: reading Mein Kampf doesn't make you a nazi, indeed if more people had read it back in the day somebody might have stooped that little corporal.
They don't sell Nazi flags in their store or (afaik) let people advertise using them, so this doesn't seem as inconsistent to me as you make it sound.