It's a miracle Philomena Cunk has been with us this long.
Cunk — created by Black Mirror's Charlie Brooker, and played by Diane Morgan — would be the world's most oblivious interviewer if there weren't ample online evidence of real-life Cunks. The only difference between her and them is that her stupidity is expressed in really clever ways. The character was introduced in the comedy series Charlie Brooker's Weekly Wipe in 2013, before starring in various standalone miniseries and specials with titles like Cunk on Christmas, Cunk on Britain, and — in the 2022 miniseries, co-produced by Netflix, that put Cunk on Americans' radars — Cunk on Earth.
The Cunk formula — and, can I just note that "Cunk" is a delightful word to say, hear, type, think about, etc? — is pretty simple. She is assigned to teach her audience about subjects about which she is wildly, stubbornly ignorant, from how words are pronounced to what anything means or does. Sometimes, she is monologuing to us. At other times, she is sent to interview genuine experts on these subjects, who are usually left dumbfounded by the depth of Cunk's idiocy.
That last part was a lot easier to do a dozen years ago, before Morgan became a British pop culture institution. Most of Cunk's interview subjects in those early days just assumed she was real, and did their best to go along out of sheer politeness. Now, more often than not, they know what they're in for, and it turns the interviews into improv games where one partner is much more skilled than the other.