Additionally, out-of-the-box functionality matters a lot. DEs like XFCE have insane tweakability, but outside of a handful of settings most users don't take advantage of that. The majority of Windows and macOS users don't spend hours tweaking their setup to perfection, they just install Chrome and Spotify and maybe vertically orient their taskbar/dock if they're feeling spicy and it's off to the races.
And moving the needle on the out of the box usability front often requires changes that can't be made by changing the default configuration or becoming a contributor to an existing DE. The GNOME team would likely never approve of the changes seen just in the short blogpost, let alone anything more extensive.
>The GNOME team would likely never approve of the changes seen just in the short blogpost, let alone anything more extensive.
That's kinda the point of PopOS in the first place: retrofitting GNOME and Ubuntu with extra utilities for a better "out of the box" experience. Manjaro does basically the same thing on the Arch side of the fence, and both are essential to providing that experience you're describing. The GNOME team isn't intentionally holding back features or making intentionally bad choices here, they're just part of the brick in the wall. The GNOME desktop should be bland, so that the distro can provide a default and the end user can make changes where necessary. It's all part of one big machine.
And moving the needle on the out of the box usability front often requires changes that can't be made by changing the default configuration or becoming a contributor to an existing DE. The GNOME team would likely never approve of the changes seen just in the short blogpost, let alone anything more extensive.