[b_sharp]

"Well, I think that linguistics as you have described it here is a poor analogy. Natural selection does not have a goal(supposedly). Language has a goal, namely communication.

I think you are missing the gist of the analogy. Natural selection is a mechanism that affects biological organisms. In the language analogy the analogues are biological organisms and languages not languages and natural selection.

If language has the goal of communication then biological organisms have the goal of reproduction. Language does not change through selection as much as drift but since drift also affects evolution then the analogy is accurate.

[AndrewC]

In the language analogy the analogues are biological organisms and languages not languages and natural selection.

Well, this is what he states.

but an illustration of some analogous processes in a different field: linguistics

[Doctor Stochastic]

The goal of language isn't to change things like Latin into French.