We are certainly better off having the satellite than not having it. But in case things go *really* the wrong way it does not seem to me resilient enough to withstand targeted attacks by the most powerful nations on earth.
they have to shut down the internet globally otherwise as long as there is internet the bitcoin P2P protocol could be adapted to circumvent any kind of restrictions. for example if ISPs start packet sniffing (since protocol currently is using HTTP) to block any bitcoin related traffic, we can easily use SSL encryption and change the port to 443!