Yeah KDE mimics Windows, Cinnamon mimics MacOS, and GNOME mimics Android. That's sort of the intention, so you can keep your workflow.
Cinnamon definitely mimics classic Windows... That's essentially its entire point.
GNOME is the mishmash of macos and, like you said, mobile design.
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Nothing on Linux mimics macOS aside from surface level things like caption button placement and global menu.
Actually nothing mimics Windows either. Linux desktop almost completely missed the biggest desktop UX advancements happened in late 2000s.
And Windows mimics KDE. It's a loop.