Validation, compliments for the attention seeking person he always has been? Like stavm1 said, financially there was maybe an incentive (to be even more rich) but not the main reason as he was already rich and popular from twitch alone. (if I remember correctly he even started to build his new house before his OF exploded?)
Dude, between this one and the one where Icky was kissing Finn while he stroked they absolutely WANT to suck each other off on these videos. The looks they give each other is like they're almost willing to scrap the content to get their mouths on one another.