50 of the weirdest achivement points

[Comrade Tovya]

konnichiwa said:
Let Sleeping Rockstars Lie: Kill a Rockstar developer in a ranked multiplayer match (10 points) (GTAIV).

Didn't knew that.

 

I actually have that achievment, but it makes no sense to me... did I play against a RockStar developer in an online match and kill him?  That's really odd.