99% of the population finds this easier than setting up a user/pass. If you care about this, understand that you will not be the target user for most new apps. Incredible that this comes up on so many new Show HNs.
It is bizarre that creating an account on this service depends on me also already having an account on another, completely unrelated service. This unrelated service also requires me to provide it (and notably not Sonauto, the service I was actually interested in) my mobile phone number. This unrelated service also just recently admitted it collects data about you even when it says it doesn't.
As a community made up largely of picky nerds and pedants, it doesn't seem incredible at all that this comes up so often. More like inevitable.
It's quite the opposite for professional audience, most people don't want to give away their Google credentials to a 3rd party website that can get hacked tomorrow.
