Haha I've seen similar. Maybe we need em to be the right kind of lazy to seek efficiency? Or inject creativity or curiosity to consider better alternatives even if the current way is working?
That reminds me to recommend this Timekpr-nExT.
https://launchpad.net/timekpr-next
I've been using it for over a year now to control how long the young fellas get on the computers and it work pretty well. Interested to know how others do it.