Guinness World Record titles are (and necessarily have to be) highly qualified in order to prevent false, dubious or unclear records. The "lesson" for example would have to have defined audiences to be even measured in the first place. Note that there are actually two related titles here:

- Largest computer programming lesson [1]

- Largest computer programming lesson (multiple venues) [2]

This attempt only broke the first, and if you look at initial news reports on the second you will see that the current title holder for the second was actually meant to do so too. In the other words, the second title was created probably because that very attempt utilized telecasting via YouTube and thus exposed a gap in qualifications. I guess you can still challenge the second title holder with enough justifications, but GWR probably will just make a new title of the Most viewed computer programming lesson video...

[1] https://www.guinnessworldrecords.com/world-records/117645-la...

[2] https://www.guinnessworldrecords.com/world-records/377395-la...

> cohort

Does it matter how you group together the people you're teaching? If you group them into smaller cohorts but same total number, do you have less of an obligation? Or do you just like how pretentious the word sounds?

What bug(s) were shown?