I ended up trying to look it up and found this:

> Available options: [...] mark_watched: Mark videos watched (even with --simulate). Only for YouTube

https://github.com/yt-dlp/yt-dlp/blob/c8680b65f79cfeb23b342b...

So I'm guessing without that, it doesn't, so would have to add the flag for it to try to count it as a view.