This whole fighting for YouTube ratings seems rather silly to me (I know, some make money), but I am old school. But this also shows the dangers of everything being on the Internet and why you should separate your network into one for your PC's and one for everything else.
Someone Hacked 50,000 Printers to Promote PewDiePie YouTube Channel
https://thehackernews.com/2018/11/pewdiepie-printer-hack.html