I'm currently using Slackware current. I use an approach of compiling from source or using AppImage. Things like Flatpak and Snaps are an opaque black box to me.

I have AppImages for things like Zoom, KeePass and LibreOffice. I don't need to keep updating them. They do what I want them to do. I have them on a separate partition. If I reinstall my system they're all ready to go out of the gate.

It's ridiculously simple.

I did try out Fedora awhile ago, but decided it wasn't for me. Why is everything a Flatpak? Just use the repo mechanism.

Same system with me. Running gentoo without systemd or pulseaudio makes Flatpak and Snap totally nonstarters. I compile most of my stuff from gentoo's official repos and supplement things with select AppImages that work out of the box, curiously well.

I don’t use flatpak on my main fedora box, rather added rpmfusion instead.