If money is the criterion of being a customer then they are one by driving traffic to other monetized videos, via recommended feed, or via follow up searches, t

If money is the criterion of being a customer then they are one by driving traffic to other monetized videos, via recommended feed, or via follow up searches, that would otherwise not happen. Anyone having a YT channel will tell that ‘suggested video’ is a dominant traffic source so it’s not an edge case. In sum, YT was already making money thanks to Blender videos.