Creating video content for others to consume is one of the least likely to succeed avenues for a poor person to stop being poor, even if YouTube handed over every cent of advertising revenue to the video’s creators.
Maybe it would drive income equality and better remuneration for those roles. Maybe we'd simply lose a lot of productivity. Who knows?
UBI would provide peanuts for everyone and devalue the content even more. Everybody and the fleas on the backs of their dogs will be streaming and influencing.