This evolutionary explanation was, Junod proposed, the 'only one possible'.
It can be seen as one form of altruism for which there are also several other evolutionary explanations.
The evolutionary explanations I have used are all couched in terms of the benefit for the individual.
The appearance of the child prodigy 10,000 years ago: An evolutionary and developmental explanation.
There are several evolutionary explanations for the presence of ornaments.
Another evolutionary explanation suggests that fertility in a mate is of greater importance to men than to women.
This is harder to fathom and requires another evolutionary explanation.
There may be evolutionary explanations for differences in resilience to traumatic events.
Although not a justification by any means, this could be an evolutionary explanation for why some people feel racism.
Given this, it is best to conceptualize function as an evolutionary explanation.