I can't disagree too much. Sensible post. To stick with that chicken and egg analogy though, evolution comes in great leaps followed by long periods of slow progression. I was wondering whether Onana could be a part of our great leap forward into being a ball playing team. Before we signed Onana we brought in Martinez, Eriksen, Antony, and Malacia who we all thought would help guide us towards being comfortable on possession don't forget.
It's not insane to think it was a good time to progress even further by bringing in a ball playing gk.