@ellane
I cannot answer for @quijote_libre but, for me, org is very much an integral part of my daily working environment, be it for writing prose and code or project and time management. Whether it is a convenience or a necessity is a matter of degrees. I could obviously do everything I'm doing without org but I would find it more jarring, having to mix and match various tools.
The one key feature of org mode is that it is all just text so other tools will be able to access data/information in my org files if need be. I'm not locked in to some vendor...
edit: minor grammar fix
#Emacs #OrgMode #WhyPlainText