They do and they don’t, depending on what (and who) you’re talking about and whether or not it’s beneficial to say language evolves or not in that particular argument :)
I don't know why you think that's so effective a way of getting at the truth. Whether something is a tool or not is a matter of family resemblances and is not susceptible to proof or disproof. Id recommend that Hickey put down the dictionary and pick up Wittgenstein.