It is, because other browsers don't require it. I would not have tried out Chrome in '08 if I needed to log into it. What's next? 2FA to secure access to the th

It is, because other browsers don't require it. I would not have tried out Chrome in '08 if I needed to log into it. What's next? 2FA to secure access to the thing so I can 2FA all the other things I have logins for? Besides giving them an open invitation to spam your email, login based access tells me that they're doing what Chrome is, attaching your browser history to your identity. Google does this because they need a way to fuel their behavioural ad machine without cookies. I imagine Arc is doing it for the same reason - monetization.