It is, had a proper look and also definitely not what they're meant to be doing: https://ico.org.uk/for-the-public/your-right-to-get-your-data-deleted/#:~:text=The%20organisation%20should%20delete%20your,impossible%20or%20involve%20disproportionate%20effort.
I replied saying no, and told them again to delete my data.
It is, had a proper look and also definitely not what they're meant to be doing:
https://ico.org.uk/for-the-public/your-right-to-get-your-data-deleted/#:~:text=The%20organisation%20should%20delete%20your,impossible%20or%20involve%20disproportionate%20effort.
I replied saying no, and told them again to delete my data.