Personally, I disable it first thing after installing and I think it's easier this way for those who come from Windows. Those who still prefer the single click, can easily enable it again. Not a big deal.

I always thought /usr was for "user".... TIL

Unmounting removable drives after writing to then is crucially more important than on Windows

Yeah, but there is a point. I'm not a Linux newbie, but sometimes you can get lost looking for the iso file that includes firmware, or non-free, or certain desktop. On most distro's pages, the big fat button leads to a direct link to the iso file and another to a torrent at most.

On Windows, I often simply took out the USB drive without "safely removing" it. The data was there 99% of the time. On Linux, if I'm not mistaken, unmounting the drive before disconnecting is what actually writes data to it.

Sure but for example I understand that /dev and /proc are actually kind of filesystems on their own

His coding videos are really nice to see. I don't even understand that much, as it's mostly C++, but the coding, the explanation, and the final feature and commit is somehow relaxing.

Well that's nice, I think last Debian I downloaded what buster or something so I might have been talking about old experiences. They're still making the user navigate through an FTP-like file structure to find the current amd64 iso?