How do you feel when all of a sudden, the work you were doing is done by others without you being informed. Its really a strange feeling making you feel frustrated as well as irritated. Both the adjectives are needed to show the amount of anger you feel in this scenario.
Its human nature, whether you like or dislike doing that job, if it is given to someone else without you knowing about it, they tend to feel down or anxious.
This is fine as long as there is proper communication done before allotting the work, whatever may be the reason(you being less efficient or ur over paid) but when it is done in 100% opacity, it is unethical.
This is the truth in software industry.. you are indispensable today and tomorrow you are disposable.. After all we are "Use and Throw" and not "Renewable" resources.
