well... no... not really...
And I am not going to defend their policy.
But after looking at their site, i don't really see the issue about taking money for a product that is specific designed and designed to work in almost any condition. On a boat, on a train, in an airplane... +++
If YOU were to make such a product, doing the research needed to make a quality product... That kind of work is not cheap...
All though, the price may be a bit stiff... I agree there...