[danmur]

I'm not sure it's better, at least not in all cases. If you can reset your password or login without password using SMS, and you had a strong password, it could be worse.

[bsid]

that would be a veryy incorrect implementation of 2FA. Wouldn't be surprised if some service works that way, but would def. be unfortunate

[efreak]

Some services work in exactly this way; it's like using a magic link to log you into a website in the browser from an app on your phone/computer.