Why is that surprising? In 1961, the UK was 98.5% British White. By 1971, it was still 97% British White. That fourteen people of that time period would be British White isn't unlikely.
It's always funny to watch people project today's dogma onto a time period when it was wildly inapplicable. "Where's the diversity!?!?!!"
It's always funny to watch people project today's dogma onto a time period when it was wildly inapplicable. "Where's the diversity!?!?!!"