I think your argument would also valid for 2FA approach, which is is widely encouraged regardless. Sign-up rate would drop drastically for a majority of common users if a good UX is not into play while developing the system workflow.<p>But I want also say that for a great variety of solutions having 2FA or passwordless as default is valid, Slack for example has an option of demanding 2FA for all team members, which a lot of people would agree is a good thing.<p>The &quot;Password Security Guide&quot; section at the article is a good example of educating people how insecure storing password, and you could do the same thing showing&#x2F;enabling passwordless as a clear and easy alternative to migrate to.