Hi Josh, very sorry about the unfortunate surprise, we're aware of this and agree it's not nice.
We couldn't address it in time for the launch, so basically all the website's pricing options currently point directly to where you can buy them in the app, which implies a GitHub sign-in (where only a valid email is requested, NB).
We're planning to add un-authed pages with more info about each plan, but we also prefer spending our time on improving the developer experience rather than on payment options, so it may take a bit of time.
We couldn't address it in time for the launch, so basically all the website's pricing options currently point directly to where you can buy them in the app, which implies a GitHub sign-in (where only a valid email is requested, NB).
We're planning to add un-authed pages with more info about each plan, but we also prefer spending our time on improving the developer experience rather than on payment options, so it may take a bit of time.