Do you already have an agreement to sell it for a big streaming service, or is that merely your aspiration? If you've already sold it, why do you need additional money? If you haven't already sold it, then you shouldn't speak about it as if doing so were a certainty.

Regardless, you still haven't answered my question. Why is making a multi-year, feature-length documentary better than a series of videos on YouTube? Why do you think that your chosen medium will be more effective or persuasive than previous works? In other words, why do you think you deserve donations?