This article is sort of frustrating, because the issue they have isn't like something not working, just that there are multiple competing options and they want unity around all things.
Yeah but the fragmentation is the problem. One reason Windows and macOS are popular is that people know what they are going to get. If you've used one Windows 11 box, for example, you can get on another Windows 11 box and figure out how to use it. It will have the same user interface and window management as the other: the Start menu, the control panel, the desktop, etc. That's just not the case for Linux. There are…
Is it for every power user? No, of course not.
Can Linux be made very simple for casuals? Yup, absolutely, if all people want to do is browse the web, send some emails, the usual stuff, it's fine. The in-between of "can I use Photoshop?" and the answer being "yes, but" isn't going to fly with most folks.
I use it for what it's best at, and use Windows for what it isn't best at, sometimes as a bottle, other times not. But it takes experience to know when to use what, which is what most users don't care to figure out for themselves as it involves trial and error usually. Most folks just want to do their work, and their phone or tablet is the "funsies".