I think magic links have some give/take depending on your product/platform/audience. One major use case that comes up more frequently is onboarding an untruste

I think magic links have some give/take depending on your product/platform/audience. One major use case that comes up more frequently is onboarding an untrusted device with a trusted one. WhatsApp seems to have mastered this class of problem using the QR code. Typing in codes and clicking emailed links is nice until you feel your phone's camera instantly log you in on your laptop by scanning its screen. The obvious downside is that this is a chicken-egg situation and you have to already have one chicken (or egg) to make it work.