Citizenship might be unnecessary, though. People could apply for permanent resident cards. It looks like currently there's no such procedure for EEA residents

Citizenship might be unnecessary, though. People could apply for permanent resident cards. It looks like currently there's no such procedure for EEA residents, since they already have that right. https://www.gov.uk/apply-for-a-uk-residence-card/permanent-residence-card https://www.gov.uk/apply-for-a-uk-residence-card/permanent-r...