It could simply be an energy minimization strategy, since it has little or no consequence (perhaps due to pre-existing status or dominance) there's no point in

It could simply be an energy minimization strategy, since it has little or no consequence (perhaps due to pre-existing status or dominance) there's no point in spending energy on that. In a sense, to succeed you need to choose what you are going to be bad at. It's impossible to be great at everything, so focus your energy on what's important, and let the unimportant slide.