This is obviously a typo. Which can't be said about deliberately inserting an apostrophe into a word
You assume it is deliberate. It's more likely that it was a simple mistake.
They keystroke that produced the apostrophe was deliberable. The keystroke that produced not the letter I wanted was not
Despite the name youtube-dl can download from almost any platform.
I'm not sure about some of them since they are private only (you can't see anything without an account), but my go-to tool is JDownloader, that I run as a Docker container on a server