> I strongly suspect that YouTube is not profitable, or is just barely profitable
Why suspect when you can Google...
"On an annual basis, Google says YouTube generated $15 billion last year and contributed roughly 10 percent to all Google revenue. Those figures make YouTube’s ad business nearly one fifth the size of Facebook’s, and more than six times larger than all of Amazon-owned Twitch."
https://www.theverge.com/2020/2/3/21121207/youtube-google-al...