All you people care about is poop.

You see that title sentence? Let's dissect it.

"All you people" must be a reference to anyone who reads the sentence and is considered a "person," most likely meaning a human being. It also does not count Neil, who wrote the sentence.

"care about," i.e. like, enjoy, are concerned with

"is," present tense.

"poop."

Does this mean that all the things you care about are crap? Or that the only thing you care about is crap? And is it the literal meaning of "poop," as in "poop"? Or "poop" as in "bullshit"?

Only time and scholars will tell.