I can reasonably change my hardware, software, and habits to avoid being matched with some corporate aglomerated profile of "me".
However, I cannot change my government provided identity.
Right now I can have multiple identities: one for work, one for my WoW guild, one for security research.
With a single centralized identity provider I couldn't do that. They wouldn't just be able, they would by default associate my personal and professional associations.
I feel that the risk of a single central (and especially government run) identity provider is that it can chill freedom of association by disallowing you to anonymously, or if not anonymously then disconnectedly associate with people or groups.
However, I cannot change my government provided identity.
Right now I can have multiple identities: one for work, one for my WoW guild, one for security research.
With a single centralized identity provider I couldn't do that. They wouldn't just be able, they would by default associate my personal and professional associations.
I feel that the risk of a single central (and especially government run) identity provider is that it can chill freedom of association by disallowing you to anonymously, or if not anonymously then disconnectedly associate with people or groups.