To enable late negative irrelevant comments from troll participants to be able to lower its approval score years after I took it offline, perhaps. (Why? To “punish” me for when I am not being “nice”.)

That may not have been the only reason. That was my first course and my 32-bit computer couldn’t handle video editing well, so the video quality is low. Why else also take my later course off-line?

PS
Did I already mention that I also noticed that another course I made may not have made it beyond (the mirror on) his computer?

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Being “nice” and being “truthful” is very important to the Curtises and Anthonys of the world. See this page, under the heading “cognitive deficits”.