Stan, Kyle and Cartman all pretty successfully represented the varying opinions of what the writers were trying to say. Not sure why you're stuck on just one character being the voice.

Kyle illustrated the writer's views in the standard fashion, even in this specific episode.

The ending montage of all the South Park residents hanging out in Whole Foods creeped me to the core.. even more so than the scene of Garrison fucking Trump to death, which was hilarious. I wait with baited breath for the next episode.

"The Joker wouldn’t have been born without Batman, and Trump’s bid for President couldn’t have been born without the ballooning movement of outrage culture. "

No it's been quoted by both Matt and Trey in their interviews and DVD commentary that Trey is mainly represented by Stan, with elements of Cartman here and there. Kyle is the primary mouthpiece for Matt.

I am in deep love with South Park. They call out abstract concepts in our society that really need to be talked about. These creators are heroes to me, because they acknowledge issues most members of society seems afraid to articulate for fear of ostracization (aka. PC culture is taking a fundamentalist bent) and I'm…