Yes, of course. But afaik the idea of flatpak is, that every program has a list of libraries and versions of them that it wants. So when program X was built with libfoo version 1 and program Y needs libfoo version 2, you basically download the library twice.
When you go through the package manager, you just download the current version that's in the repository. This can lead to problems when a program expects some functionality that has since been deprecated, but I never actually had issues with that.
Also, a lot of the libraries a flatpak downloads are already installed on the system, just in a different version, I noticed.
I'm on a home computer that I use by myself, mind you. So if something breaks, it's just my own problem. If I were to use software in production or even just administer the computer of a tech-unsavy relative, I'd likely use flatpaks or similar for stability and security reasons.
Oof. An always online terminal with an AI that does who knows what with the things you type? I don't think so.
Also, Open Sourcing the client but not the server seems like marketing at best.
A quick Wikipedia also says that they basically run on investor money. Including Sam Altman and Jeff Weiner, the CEO of LinkedIn who had three massive data breaches in as many years.
That's a hard pass for me.
It does look beautiful though