Yeah, probably best bet is to uninstall and purge settings. Depending on the district you’re using and it’s package manager, you it may be as simple as apt purge vim. And just to be sure remove all vimrc files from all user home folders including root.
Also Canonical has added a lot of problems to promote their monetization strategies lately. Mostly aimed at business rather than regular users, but still causes problems for home users.
I generally prefer RHEL based distros over Debian based ones, so Rocky Linux for servers is my current go to and Fedora for desktop, though Fedora is heading in a similar direction as Ubuntu I feel…