I’d say Fawlty Towers was just reflecting a mindset in the same way, rather than influencing your Mum. I can remember Saga Holiday Reps saying they had to stop their tour from “re-enacting WW2 every time they met Germans” in the early 90s.
(, Fri 6 Nov 2020, 14:39, Reply)
Yeah, you may be right. She certainly wouldn't have deliberately plagiarised a gag.
(, Fri 6 Nov 2020, 16:29, Reply)