Twitter has a different ‘fuck you pattern’ when you are trying to sign up a new account and they believe you are a spammer. They will force you through never ending captchas that are not meant to verify you, but annoy you until you give up.
I've only gotten a different sort of fuckery, where signup works fine until I follow a single account (or after a few seconds, sometimes) and then I'm banned until I give a phone number.
contacting support used to work after a few days, but not recently.
