I wonder if they are actually that unhealthy. After all a burger is just meat, bread, and some veggies. Doesn't seem that unbalanced.
I assume the most unhealthy part there is the gallon of sugar soda that people also drink there ._.
No. Chances are high that that submarine just imploded in a millisecond and they just instantly died. Why else would it stop sending pings and completely dissappear otherwise?