I must say that the whole desktop looks like something from the 90s. If you find it fine for your needs, that's great. But I don't think it's a general solution. Linux is so half-baked with respect to desktop, very often it's getting as problematic as a Windows system, especially on laptops.
Amusingly, the macOS UI, on the other hand, is almost literally from the 90s (it dates from 2000, I think). And the Windows 10 UI isn't meaningfully different from the Win95 interface.
So it's really mainly on Linux that you actually have the option of modern UIs.