I think in terms of privacy, you are worse off giving them a used Google account than a phone number. By using Google for this, you let Google know what you are logging in to OpenAI.
More generally I'm just getting tired of corps requiring phone numbers. If only there is something like SimpleLogin but for phone numbers (generating single purpose numbers for each source) to prevent phone number collection and spam.
More generally I'm just getting tired of corps requiring phone numbers. If only there is something like SimpleLogin but for phone numbers (generating single purpose numbers for each source) to prevent phone number collection and spam.