This is the widely accepted theory amongst the conspiracy guys, yes.
A simplistic explanation:
For those of you that haven't played the game players fight over bits of space and can create player owned stations. When attacked, they go into a "defensive mode" which renders them immune to attack for a time dependent on the amount of special fuel they have (Strontium in this case).
A rival corporation will come back at the right time with lots of ships (players) and blow the heck out of it, if it hasn't been repaired and put back online really quickly. The new corporation will then claim that space.
There have been incidents where people have had their comms lines cut, servers have been downed etc. to prevent hostile actions, fleets being formed and even to take key players out of battles.