But who says I want to install 7zip? The only thing I have installed is Blender and Affinity Photo because I can’t afford annual anti-virus costs so it’s inevitable I’ll reinstall windows from scratch and really can’t be bothered to install a bunch of things.
They can just offer 2 different builds to download. As the new one matures and gains a following and popular youtube tutorials you’ll see the download amount shift from one to the other.