-I have now tried creating accounts several times, from different browsers and via different internet connections (mobile, work, home) and always got the same result.
+Google themselves say on their [help page](https://support.google.com/accounts/answer/1733224?hl=en) that submitting a phone number "is optional but highly recommended".
+That's a lie: I have now tried creating accounts several times, from different browsers and via different internet connections (mobile, work, home) and always got the same dialog asking me for a phone number, with no way to skip.