Why the 80's? I don't recall particular hostility to OM/YW AGR's then: in fact I was in a 27-yr gap OW/YM relationship in 1984 - 1990 and didn't encounter hostile responses. Similarly my father-in-law and mother-in-law (married 1949) had a 10-yr gap and AFAIK never found anyone surprised let alone hostile. However that may be peculiar to England.
Demonstrating why it is best to avoid scripting plot-irrelevant items likely to annoy the viewer. Content like that is unlikely to gain any extra viewers and as you show has lost at least one.He's made comments like that before. That's why, when he comes on, I just switch to the Science channel and watch How the Universe Works or something like that.