For the life of me I don’t understand why you would do this on the weekend instead of Monday morning when you are getting paid for it, since this work is being done for your employer. Why would anyone trade their weekend time for free for someone else instead of spending that time enjoying their life or on something that would benefit themselves financially. Life is too short.
Or spend an hour on a Friday afternoon when you're still on the clock. Just goes to show how much work has invade/pervaded the lives of some.