Many things are free to sign up for. Heck, I regularly sign up/join any Show HN-featured site.
But there's zero reason for any site not to offer the tried-and-trusted email and password, even just as as a fallback option, especially these days where trust in online stuff is seemingly at an all-time low.
Google, Facebook, et al., companies with massively larger, dedicated security departments swore up, down, and sideways that "everyone's data" is "secure" and "encrypted" ";)"
But there's zero reason for any site not to offer the tried-and-trusted email and password, even just as as a fallback option, especially these days where trust in online stuff is seemingly at an all-time low.
Google, Facebook, et al., companies with massively larger, dedicated security departments swore up, down, and sideways that "everyone's data" is "secure" and "encrypted" ";)"