I know, this was exactly of my point: I felt that OP didn't read the article, and it didn't occur to them that "vaccine data" could also refer to personal infor

I know, this was exactly of my point: I felt that OP didn't read the article, and it didn't occur to them that "vaccine data" could also refer to personal information in their blanket dismissal. In this concrete case it wasn't the case, but that all "vaccine data" should be open is certainly privacy nonsense. Once you introduce that definition I agree.