A Windows user switching to macOS, with no one in their social circle who's familiar with Macs, will suffer just as much as someone switching to Linux without having fellow Linux users they can ask for help. The same goes for macOS users wanting to move to Windows, Android to iOS, etc.
The real problem isn't the (perceived) difficulty of Linux, but rather the lack of popular software such as Microsoft Office, Photoshop, combined with the natural resistance to change, and the sheer unwillingness to learn something new.
Distros such as Linux Mint, Zorin OS, or Elementary OS, to name but a few, have pretty much eliminated the UI learning curve, thanks to their close resemblance to either Windows or macOS, or their ability to switch layouts at will.
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@saxnot @tomstoneham @neil