Re: "Twitter [...] have broken GDPR rules"
I know you're trying to be funny (and not succeeding very well), it would have been pointless making our own version of Product Regulations and standards at the time, when we'd have to comply with EU regulation anyway.
And UK companies will still have to ensure compliance with EU rules going forward even if we leave the EU.
No one should be subject to their data being abused, but its dam funny when an abuser of data gets some Karma and has his data abused