Where is the profit model for video and video playback websites?

I happened to see "thinking about the profit model of a website with another idea", and I wrote this article at will.
First, I quoted a passage in the article: "The key to the problem is that there is no good way to make netizens feel that it is worthwhile to pay for the money. If you want to think about a problem, you can't hear people say that there is no drama. If you think that there is no drama, you simply don't want to think about it. You must always think about the problem with a skeptical attitude. Everyone is like this, will there be a light bulb or a computer!"
Speaking of this, I actually quite agree with the idea: indeed, the internet needs innovation, not just technological innovation, but also market innovation and marketing ideas innovation. You can find the way out only when you dare to do what you want. If people are on the move, the individual will not make any money until now. In the long run, the whole industry will only move forward and even stagnate.
In other words, I have considered the profit model and profit direction of video and video playback websites. For the current Internet situation in China, there are indeed many implementation difficulties. For example:
The same film content, the same display form, the same clarity, the same playback speed...