I assume they are referring to Mullvad removing Port-Forwarding.
Not to mention the fact chromebooks exists where local files are a mere joke and everything get’s uploaded to Google Disk or an alternative to that and they have never been more popular. The average person doesn’t save a word-processing document on a computer locally, they save it on a cloud and trust whoever owns that cloud service.
More of a reason to jump to Mastodon
Every distro that isn’t immutable is customisable, that’s the nature of Linux. For example don’t like cinnamon on mint? You can install another DE. Arch alone isn’t customisable in of itself, Linux is.