Hi Folks,
Below, some of my own personal insights and knowledge with telephoto lunar photography. FWIW, my experience in observing and recording the night sky spans a lifetime of amateur astronomy since before I got my first telescope in 1967.
A few quick items that folks should be educated on and familiar with before casting one's public opinion on this thread's topic...
1. The, er, "evidentiary" image of the moon purportedly shot with a Sony a7R III/200-600mm lens here...
Fake Samsung Galaxy S21 Ultra moon shots debunked - MSPoweruser
https://mspoweruser.com/fake-samsung-galaxy-s21-ultra-moon-shots-debunked/
...speaks to either A. the photographer's inability to know how to use that camera/lens combo for excellent results, and/or B. an attempt to use fake or misleading evidence for their argument. A simple search of the Sony 200-600mm moon images will reveal such...
Search: Sony 200-600mm moon | Flickr
https://www.flickr.com/search/?group_id=14620456@N20&view_all=1&text=moon
...clearly, that lens and pretty much any Sony body can provide a much more detailed lunar image than the one posted as evidence.