I'm more stunned by the price: I pay 20€ for unlimited and unrestricted data access with a double SIM (one mobile broadband, other for phone). And they want to charge more for other video access?
Mobile data seems very expensive in the US compared to Europe, but the States seem to be cheaper in most other areas: e.g. Petrol/Gasoline - $3 per gallon in the States, over $8 per gallon in the UK now.
Just don't get on a train for a couple hours and stop in another country. Roaming data rates will kill you in Europe!