I haven’t used the Chicago theme, but if you’re in KDE, the Reactionary Plus theme is spot on and works great.

https://www.pling.com/p/2138468/

Or

https://www.opencode.net/phob1an/reactionary

Appimage. I oily use a few of them, and manage them with GearLever.

I think you’ll find nearly every significant FOSS project will have American contributors software in its development. Typically, anyone who can code and wants to contribute can do so.

What are you talking about being downvoted for that. Ubuntu is not well-liked and switching it out is a common suggestion.

Any project is beneficial if someone is passionate about doing it.

The “this person shouldn’t work on this project, they should work on something that benefits me” line is selfish as hell.

If the projects you see aren’t the projects you want, then DIY. But don’t tell people they wasted their time because you don’t want to use their software.

Don’t try to use it, it’s an old discontinued version of SteamOS based on Debian that was around long before the Steam Deck.

Bazzite will get you a similar experience to the current Steam OS with better desktop experience.

As you’ve been daily driving Linux for 7 years already, I don’t understand what issues you think you’ll have with Arch?

Worth trying Only Office and Libre Office side by side to see which one works better for your workflow.