South Park Livestream Why Does South Park Show All Their Episodes From Every Season On Their Website?

Why does South Park show all their episodes from every season on their website? - south park livestream

I also wonder why no Family Guy or The Simpsons. Would not that South Park is losing money or something, because when people can watch episodes on the website that there is no reason to buy the DVD. I mean, I like the fact that when I see MS. But I just wanted to know.