These days we have a technological method of counting words, now that computers give us spell checks, word counts and so much else. The word count is important for a student writing an essay, but not to most other people.
Yet as an ethical principle, counting one’s words is an essential part of being a responsible citizen. Not in a mathematical sense, but when it comes to saying something carefully one word too much or too little can do untold harm.
There is a wise Jewish saying, “Before you speak, you control your words. After you have spoken, your words control you.”