Your second point defines ufology to fit your other points, but it doesn’t necessarily meet the definition of what others use and what I consider the definition that is currently commonly understood. If I was going to talk about UFO’s in the manner you suggest, I would state that up front. I would say I’m talking about UFO books, not that I believe them beyond the degree that I would believe any independent, unverified, self-reported data. Or I’d say I’m talking about our perception of objects we don’t identify. But that’s not what people do at all. They have “museums” and “studies” and people claim certainty about their conclusions.