Ubuntu's trust problem in 4 concrete issues - verified facts, no FUD
Strong agree. I use a derivative that blocks snaps instead of direct Kubuntu now, and it wasn’t Just because of the snaps.

I use a derivative

Without Ubuntu Pro subscription the entire Universe repository does not receive any security updates by Canonical:

canonical.com/…/ubuntu-pro-enhanced-security-and-…

You should consider switching to an entirely independent distribution that does not lock security updates behind a paywall, perhaps something based directly on Debian or Fedora.

How Ubuntu Pro delivers enhanced security and manageability for Linux Desktop users | Canonical

This week Ubuntu Pro entered general availability, giving Ubuntu users access to expanded security coverage on top of key enterprise management features. […]

Canonical

Ubuntu Pro is free for personal use on up to five machines.

Also note that Universe is the community-maintained repository, sort of like the AUR but the community also reviews package creations. The Main repository is maintained by the Ubuntu Project and has always had free security updates.

Ubuntu Pro is free for personal use on up to five machines.

If you’re not paying for the product, you are the product.

Debian is free for any use for an unlimited number of machines without corporate tracking which packages you install.

Client-side data collection is opt-in and open-source: https://www.zdnet.com/article/canonicals-ubuntu-telemetry/ If you’re talking server-side collection we don’t know about, I’d call for burden of proof since neither Ubuntu nor Debian have relevant history of collection and that would probably violate the Privacy Policy.
Ubuntu's new opt-in, open-source telemetry is a win-win for Linux users - here's why

The collection of user data has become a contentious issue for people worldwide. Fortunately, Canonical has shown how it can be done right.

ZDNET

Client-side data collection is opt-in and open-source

You need to log in to use Ubuntu Pro. Obviously.

that doesn’t really change what I’ve said