[ewoodrich]

As a developer I can sympathize having dealt with frustration implementing SSO but as a user (and I'm aware I may be in the minority on HN) I've bailed out of trying quite a few webapps that don't offer Sign in With Google or Sign in With Apple.

There is a psychological effect where I dread the image of whatever half broken bespoke registration flow or inane password requirements someone came up with when I only see a "Create Account" button.

That may not make a difference for signing up for an account at like a bank or something I truly need but for say a Show HN for Yet Another Thin Layer Over GPT #372 the odds are high I'll just click back and move on with my life.

[maronato]

It isn’t for everyone, but I can’t imagine not using 1Password + Fastmail’s masked emails for registrations anymore.

All the privacy of throwaway email addresses with strong passwords. Services can store passwords in plaintext and use public blockchains as databases for all I care.

Figuring our which service leaked my email and blocking all messages from it is one click away.

[raxxorraxor]

For me it is the exact other way around. If you don't have any other sign up system, I will bail immediately. I have a Google account, but it is "empty" and only used for settings and Android phones.

I don't want Google to know which services I am using and I had accounts shut down by big tech for non-specified reasons, probably because I didn't want to share my phone number.

Same issues could materialize that we have with Chrome now. I don't want to watch an ad when I log in to something.