I think the point here was more that saying people have will but evolution doesn't is a lot like saying fish swim but submarines don't. Obviously the two can be distinguished, but we distinguish them because we look at the mechanisms by which the function - whereas if we only looked at the externalities, we might consider them one and the same.

Personally I think it's quite an interesting point; much moreso than the point you seem to have replied to (i.e. the notion that evolution isn't blind, which I don't think GP was arguing by any stretch).