I don’t think it’s the YouTube economy so much as it is the creative economy. If you produce creative content, you are at the mercy of the whims of your audience. Even in profitable or well-funded businesses, there’s a constant existential threat associated with the whims of the audience changing.
Yup. Generally speaking, people value content like this as pretty much having, well, no value at all. They don't want to pay for it, and they'll go out of there way to make sure they pay as little as possible for it.
In fact, I would even go further and suggest that many people feel that all jobs, except for whatever job/industry they are in, as having little to no value and should be done for nothing.