The points in the screenshot are just false and outdated, the guy even says that it doesn't work on every distro lol

This is signal made with sharun working on ubuntu 12.04 a 14 year old distro: https://imgur.com/a/1f5S0P7 The distro is so old that internet no longer worked lol, had to use a flash drive to transfer the appimage.

we use a lot less storage than flatpak and this comparison is outdated, we have reduced the size of a lot of apps since then.

I actually did a quick test installing an alpine linux container and about 10 GUI apps vs appimage and appimage used less storage, now this comparison was flawed because I later realized that the alpine stable repo was super old and for example GIMP was pulling the gtk2 version instead of the gtk3 one (which brings all of gtk2 into the system instead of sharing the existing gtk3) but you get the idea of how close we are.

For updates and desktop integration use AM or soar

but they will never replace native implementations.

Eden makes its appimage using sharun, they made it with PGO optimizations on it which has a ~10% increase in FPS.

native implementations wouldn't bother doing this, in fact PCSX2 had to tell people to not use the official archlinux package while it existed, because archlinux compiled it with generic flags which was horrible lol

https://www.reddit.com/r/linux_gaming/comments/ikyovw/pcsx2_official_arch_linux_package_not_recommended/

This is also the reason why this benchmark showed appimage performing much better, you are free to optimize your application, while distros packages, flatpak, etc you often have to deal with packaging policies that do not allow this:

https://www.reddit.com/r/linux/comments/u5gr7r/interesting_benchmarks_of_flatpak_vs_snap_vs/