About page for the Objective-S architecture-oriented programming language: http://objective.st/About

Has anyone experienced something where they give their phone number to Hetzner, and then instantly get spam texts?

I’ve been running a few VMs at Hetzner for years and never had anything like that. Are you sure this is Hetzner related?

I'm not sure. The timing could have been a coincidence I guess...

I've been a Hetzner costumer for years and I never got a single sms from them, let alone spam.

Never.

a great company to do business with.

No, and I have several accounts with them, both for me and for my clients.