If you don't care about your post count why do you care if your posts "count"?
And if you care about your post count, then the question is just "why?".
Not counting posts is a very, very effective way of reducing meaningless and troll posts.
Some people regard the trust-worthiness of a post based on the posters post count. I am not very likely to take the advice of a "newbie" in the programming forum if they are giving me in-depth terminal commands. Maybe it is just me, but I do believe post count is valid, and needed.