Every bit of effort and resourcing they spend on this returns revenue directly. Which is more than they can probably say for a lot of things they do. And they’re smart enough to know that they can’t eliminate blocking, just make it harder and harder so that fewer and fewer people do it.
This must cost YouTube a fortune doing additional processing and reduced flexibility. They are going to hurt themselves and blockers will find a way.
There’s already extensions that somehow skip sponsorship sections, so it won’t even take that long.
That’s “crowdsourced”, i.e. manually done by volunteers on per-video basis.
Every bit of effort and resourcing they spend on this returns revenue directly. Which is more than they can probably say for a lot of things they do. And they’re smart enough to know that they can’t eliminate blocking, just make it harder and harder so that fewer and fewer people do it.