Isn't the whole idea behind AGPL that you're allowed to fork and modify it as long as you provide your modified source code to the users?
are neowin and nextcloud affiliated somehow? or which nextcloud blog are you referring to?
This seems like a corruption of "you can't have your cake and eat it too." I'm somewhat confused as you can definitely both bake a pie and eat it too. Or are you trying to make some kind of point that I'm missing?
If you don't, I would advise you to at least attempt doing so.