[ketzo]

> it isn't necessarily in your company's best interest to try to keep you happy

This is true -- but your manager won't always act in your company's exact best interest either! I do think "management are human beings, too" is pretty important to remember.

> The loss of some fraction of X is always going to hurt the company more than your gain in Y will benefit them

I don't think you can assume this is always true. What if X is jQuery and Y is Typescript? Or X is oldLegacyCodebase and Y is newProjectInBurgeoningField?