Apple said users who already had it turned on will be given a period of time to disable it in order to keep using their iCloud accounts, although the length of time was not stated.
I'm in the UK and have ADP enabled but I am yet to be informed by Apple when/if it will be disabled in the future. I'm glad we had a change in government but this is a serious misstep from Labour.
ETA: I've written to my local MP to voice my disapproval of this "technical capability notice" and I urge anyone else in the UK to do so as well.
When was the last time a petition achieved anything? Better off writing directly to your MP. Parliamentary petitions exist purely to allow MPs to ignore the problem as it's easier to dismiss a few thousand signatures on a petition rather than a few thousand letters stacking up on their desks.