Why is Warner Bros. Discovery putting old movies on YouTube?

Old movies have been available on various "free ad-supported streaming television" for a while now, so I'm actually more surprised it took copyright holders that long to realize that Youtube also shows ads and doesn't require people to install some wonky app that might or might not be available for their platform.

Of course, region-specific copyright deals are incredibly complex etc. etc., so I could imagine it was just a matter of waiting out until the last person putting up a veto retired or moved on to other things.

It would be really nice if YouTube could give uploaders the ability to schedule ad slots, rather than them appearing randomly.

Unless they do this already and stuff I watch just does it badly, of course.

It appears that the intent of the ad scheduling is to be so annoying that it motivates people on the fence to pay for premium.