Proposal: YouTubers Are about usage of Youtube question off-topic?
Since the description of the proposal is
some discussion of the usage of YouTube is on-topic, like questions pertaining to:
because they are about being a YouTuber (a creator, as opposed to a viewer).
Questions such as:
would be off-topic, because they are about using YouTube as a viewer, not a creator (except for the last one, which is asking about a YouTuber - still off-topic).