Youtube doesn't get any money from sponsored segments. It's a direct deal between the channel owner and the sponsor.
The only way it gets YouTube additional money is because it lets those channels put out more frequent or higher budget videos, which usually leads to more views.
When I said "they" I meant: content providers, service providers and so on.
I frankly don't care at all, I will never buy Youtube TV. However, justifying this behavior is ludicrous, even if YouTube doesn't monetize on such content.
It's just unfair - you pay for no ads, and ...well you do get them because "the file..."
The only way it gets YouTube additional money is because it lets those channels put out more frequent or higher budget videos, which usually leads to more views.