Who has time to watch a 4-hour YouTube video? Millions of us, it turns out.

That's working with assumption that I am sitting and doing nothing else. Usually I am watching those long videos on the TV while working instead of listening to music.

Then you could rephrase it as "millions of people are watching TV several hours a day" Are they watching the TV, or just having it switched on while doing other chores so there is no "silence" when they will occasionally stop?

A video I rather enjoyed is this history of EVE Online. 6 hours and almost 4 million views: https://youtu.be/BCSeISYcoyI

I find these videos where a person just dedicated months/years to a single subject and condensed it down to hours to be amongst the most interesting.

No mention of hbomberguy? That's criminal.

He's great if you haven't seen him before:

https://en.wikipedia.org/wiki/Hbomberguy

I’m not sure how profitable long videos like this are for the creator. Does YouTube count my minutes watched at half when I watch at 2x? And one big video is almost certainly not going to be the same as lots of small videos. I feel like her channel in particular is more of a funnel to subscribe to her Patreon for more frequent content.

I listen to youtube while sleeping. You really need to pay to skip the adds though.