Especially because technical folks like us don’t know to communicate well, words can be misinterpreted, etc. It’s actually not a good strategy to respond to such concerns in public.
Also in my opinion, people that make threats of leaving in public unless certain demands are met usually have their mind set already and can’t be swayed.
As for never needing human assistance, never say never — if relying solely on your password manager, I hope you have a digital last will for your spouse or children.