I have actually used the silly split-screen multitasking thing to have a Safari window on one side, and another app in the other. It's adequate? Barely. I don't think I could really do serious work that way.
But, having the split-screen setup; I have actually gotten some stuff done. It's not ideal, but it's something.
RE: The New(-ish) MacBook Pro with Touchbar - the Computer Apple Doesn't Want to Make