The point is that you would never tpye "./ls" when you meant to type "ls". Or at least I wouldn't. I just grepped through (several years of) my bash logs and I

The point is that you would never tpye "./ls" when you meant to type "ls". Or at least I wouldn't. I just grepped through (several years of) my bash logs and I have never once in my life typed "./ls", accidentally or otherwise. I consider this strong evidence.