Because big players (other than StackExchange) never adopted OpenID where you could paste in an arbitrary URL for your identity provider.
Also, OpenID probably shot itself in the foot by using a URL instead of something shaped like an email address, which would have allowed a zero-effort upgrade for the user if an email provider also wanted to offer OpenID.






[edited for formatting]
This sounds like a normal workload for a full-time social media manager. The article doesn’t provide any details about the sexual harassment allegation.