Some folks like to have a computing environment free of proprietary influences and extremely strong vendor lock-in. I cannot claim to posses any apple devices.
I wasn't thinking of Asahi. Just pointing out that you can run all the standard unix/open source tools and apps on Mac OS (vi, git, qgis, blender, vsc, python, node, etc). With the advantage of higher quality hardware and generally less fiddling.
But if you don't like it, switch. I don't see vendor lock-in.
Sure, you can use the App Store and use all the stuff that integrates with iPhone, iCloud, etc
But you can also just treat it as Linux for Laptops (that actually works), and roll with all the standard open source tools.