Again, they give you the options: subscription model or ad-based model.
This covers the cost of infrastructure, paying creators, and paying developers.
It doesn’t make sense that they or any other company will host and send you video for free at a financial loss to themselves because you’re watching it on “your computer.”
Then again, we live in a world where drugstore makeup needs to be kept behind lock and key, so this shouldn’t be surprising.
They offer those options, but the fact remains that there is a third option: ad-free no-subscription model.
As a user of the ad-free no-subscription model, I give them two options: internalise the costs of people taking the third option, or spend time and resources trying to make the third option technically impossible.
You can’t buy a word processor without non-English dictionaries, buy a fivepack of beer, buy half an apple, etc.
That’s no reason to then find it reasonable to take that, let alone take that for free.