This works as a rationalization growing from the conclusion that others should be "on your team". If on well-calibrated assessment you yourself are not "on your team", others probably shouldn't be either, in which case projecting confidence amounts to deceit.
(Unless I don't understand what you are saying) I reject whatever definition 'deceit' is given such that the above claim is true. Behaving in a socially confident manner is different in nature to lying.
Behaving in a socially confident manner is different in nature to lying.
I was using "confidence" in a more specific sense, as in "overconfidence", that is implying that you know what you are doing, in the case where you actually don't. "Socially confident manner" might in contrast (for example, among many other things) involve willingness to state your state of uncertainty, as opposed to hiding it (including behind overconfidence).
Another month has passed and here is a new rationality quotes thread. The usual rules are: