At about that same time, members of Counter Logic Gaming were claiming to make 5-6k a month each streaming, and that they actually lost money going to tournaments and winning them, if they had just put in a normal amount of time streaming over those weekends.
In the short term, no- however, it does keep them relevant as time goes on. most of the reason they said they did it, was because they just couldn't be that interested in the game if not playing at that level.