A better title would have been "What is Linux and how to install Linux on a PC" I clicked in hoping for an in-depth comparison between Linux in 2021 and macOS,

A better title would have been "What is Linux and how to install Linux on a PC" I clicked in hoping for an in-depth comparison between Linux in 2021 and macOS, and pain points were had moving to Linux from macOS. There are a lot of those posts around but reading a new one I hope to learn more about what has been developing. This is a fairly generic "How to install Linux", with a little bit of padding. The most interesting bit of it I thought was "My MacBook 4-year-old MacBook wasn’t too compatible with Linux. This is counter to my own experience, but I probably have not done it on that specific vintage. Anyone know what the issue is that model?