Employees are aggressive, combative. The atmosphere is volatile and political. There are incentives for collaboration (like a visa gift card) but, if your manager doesn't "like" the group or individual you helped then it will come out on your review. HR is spineless, they came to me when someone filed a complaint against GIS management to corroborate the incident. When I did, the manager - in a status meeting - stated that "when he finds the person involved" in helping HR, they would "pay". When HR was told about this by another source that individual was told to "grow up"