People stream for fun, not just for money. If you start streaming with the intention of it becoming a career, you are doing it wrong.
Encouraging the use of alternative sites is the only way alternative sites grow, dismissing them because 'X site is already bigger, so theres no point' is supporting the "monopoly" problem.
Did you know, we used to visits hundreds of sites on the internet, it's only the last 10-15 years that corporations have managed to consolodate it.