First: I would simply ignore the request to say something about the "individual level". Sounds harsh. But I always thought that these categories in events aren't smart - and don't work. They may feel like a safety net for the organizers, but they don't serve the audience (I never found them helpful - but distracting) and they don't serve the presenters (in most cases - it forces you to deliver a new message, you have now to come up with... which can be good, if there is time for it.) – conferences are about something "new". And new things tend to step outside of existing categories and are to uncertain to be categorizable...
Second: I think OSCEdays are a question for many people. People in "Circular Economy" had to wonder "What is Open Source?" - I think that worked well so far. And "Open Source" people had to wonder "What is Circular Economy" - not sure if that has really worked to the same level. So people have to ask themselve new questions ... maybe gain new perspectives.
(btw. - not important, don't read if no time - my main insight I had at my last Ouishare Fest visit (2014) was: "Conferences are places where a lot of people share a lot of wrong ideas!"
And it is true! If I think back 6 or 7 years ago and remember the first talks I have seen at tech conferences - almost none of the ideas shared there are still relevant or have become true. That is the nature with new exiting tech/start up conferency thingies. More than 90 % of the stuff shared will be "bullshit" in 5 years. So this would be a suitable category for conferences like that "bullshit" (including OSCEdays - this would mean we have made progress).
But if it is most likely "bullshit" anyway, let the bullshit people tell their bullshit stories as pure as they can. Because if they are right (not very likely), let them be right! And if they are right, and it is new, it might be good for a new category!