This sentence concluded a very short paragraph that apparently aimed to explore whether the hand sign could have a Masonic meaning. But instead of giving any explanation for their conclusion, the authors merely postulate the above without any given reasoning. I’m surprised to find this in what appears to aim to be a scientific analysis. Even more so would it surprise me if any conscious reader found this conclusion satisfactory.
Any thoughts?
I'd also personally not be surprised if hermetic symbolism cropped up around the Medici-adjacent artists in particular, given the Medicis' proximity to Pico della Mirandola who was fairly important in bringing together this new mix of christian, jewish, gnostic and neoplatonist mysticism.