The point is that there is a long list of variables more important to get right than the decision to have beer at the office, and getting those variables set co

The point is that there is a long list of variables more important to get right than the decision to have beer at the office, and getting those variables set correctly would be MUCH more significant than the Beer variable. So just eliminate the variable altogether and save yourself the trouble. That seems to be the point here. Forget about beer in the office and focus on the things that really matter.