Pretty unsafe, I think. And you can't turn it off. https://rushter.com/blog/public-ssh-keys/
Links to APIs:
https://docs.github.com/en/rest/reference/users#list-public-keys-for-a-user
https://docs.gitlab.com/ee/api/users.html#list-ssh-keys-for-user
Links to APIs:
https://docs.github.com/en/rest/reference/users#list-public-keys-for-a-user
https://docs.gitlab.com/ee/api/users.html#list-ssh-keys-for-user