Linkdin data Looks like employment has been pretty steady slowly building, doesn't look like there has been any sudden ramp up or decline. Though turn-over looks to be twice as high as other game studios, gives some credibility to the toxic workplace claims.
What struck me was how many artists they have, considering all the groundbreaking working and tech they are supposedly doing they are very light on engineers and technical people, even evil publishers doing the boring same old have orders of magnitude more tech people.
The ratio of engineers to artists
EA - 1.3 per artists
Blizzard - 0.77 per artist
Ubisoft - 0.7 per artist
Bethesda - 0.6 per artist
Rockstar - 0.4 per artists
CIG - 0.29 per artist
Average Employment in years
EA - 5.7
Blizzard - 5.7
Ubisoft - 5.5
Rockstar - 5.2
CIG - 2.5