Is sipping from a mug better than from a glass? Should partners rest in different beds? Does the Happy Birthday tune need an update?

These are the profound inquiries that Austin Butler and Zoë Kravitz contemplate while playing “Unpopular Opinion” on BBC Radio One, where listeners ring in to express their most contentious views on a range of subjects.

The segment above is less confrontational than others we have witnessed, with Kravitz and Butler primarily agreeing with the callers until the discussion unexpectedly (but thrillingly) shifts to Pitbull concerts.