However valid and legitimate the points in the Great Barrington Declaration are, you can't take the number of signatures seriously when anyone can sign it with

However valid and legitimate the points in the Great Barrington Declaration are, you can't take the number of signatures seriously when anyone can sign it with junk. Signatures like "Dr Johnny Bananas", "Dr Person Fakename", "Dr I.P. Freely", "Dr of Hard Sums" doesn't really add a legitimate weight to it. Not sure if you can reliably solve that problem though.