The
Post Count variable isn't a number that keeps up with actual posts. It is automatically updated when you make a post, but isn't modified for most other functions. For example, if you delete one of your own posts in most cases it won't change your post count.
I did a database rebuild, which included post counts. A query was run that re-counted all posts and updated all respective profiles; which reduced everyone's post count to some degree - including my own.
No Paul Stanley posts were deleted