I also don't understand the fixation with submarines.
The submarine thing came about because a bunch of people were talking about how soldiers were going to get boned by the checkin stuff because they generally don't have consistent internet connections when they are deployed.
I'm not sure how many people would be playing video games on a nuclear submarine...not a lot of room on those things. Seriously, I'm not sure if you're allowed to game when sailing on a sub/ship in the navy, I could be wrong about that...
Yes, they are allowed. Back when Steam first came out there was a similar kerfuffle from US submariners over how they had bought themselves HL2 not knowing that it needed an internet connection to play. Furthermore "Not a lot of room" is exactly why gaming seems (to me) like it would be a great past-time on a submarine.
If they are allowed gaming, there is a simple fix. I can imagine the captain ordering the sub to periscope depth, raising the antenna mast with a Hughes Net satellite dish attached to it.