You've kinda been reinforcing my research results + my own experiences + sharing w/ my old chicken neighbor about breed temperaments. That Cochins, Silkies, Blue Breda Fowls, Pekins, White Leghorns (+ most bantam breeds) were real sweeties, good people-friendly birds in general. In the gentle giants the Brahmas & Java have been generally categorized. From personal experience I would conclude that true Ameraucanas (not EEs) have all been gentle breeds though more skittish. Never had EEs but owners have reported overall sweet but not necessarily the cuddle-bugs like Silkies or Cochins.
As for Wyandottes my dialogue w/ owners over the years has been a mixed bag. I was so enamored by Wyandotte beauty in both the silver & gold varieties but reading on breed characteristics they were classified assertive so I never chanced getting one.
As for larger breeds like Barnevelders or Bielefielders owners say they are gentle birds but I never wanted larger breeds cuz of having smaller gentle Silkies in the flock.
For laying hens my thumbs are up for White Leghorns & Barred Rocks for good temperaments.
My overall midsize breed of course is Dominique ~ not super layers but great conversationalists smart friendly birds & not prone to aggressiveness.
There's always the exception to the rule + how much time or patience someone puts in making a bird a pet ~ some birds just turn out naturally good pets.