Google auth is simple to implement and the overwhelming majority of web users have access to a Google account. I much prefer it over having them write their own

Google auth is simple to implement and the overwhelming majority of web users have access to a Google account. I much prefer it over having them write their own auth and I have to sign up with email. It looks like your screenshot includes the action of voting on a post. I don’t think any explanation is required on why that can’t be done without logging in.