Agreed. If one wants to stop oneself copy-pasting, one should have a little willpower. If one wants to stop someone else copy-pasting, like for a student's tes

Agreed. If one wants to stop oneself copy-pasting, one should have a little willpower. If one wants to stop someone else copy-pasting, like for a student's test in a school environment, there might be some utility here — though I would say a system-wide utility might be more useful.