During Pol Pot's regime, someone can be -and was- killed because she was judged to be 'too beautiful'. How crazy was that?

"The genocide in Cambodia did not begin on April 17 1975, "Year Zero". It began more than five years earlier when American bombers killed an estimated 600,000 Cambodians. Phosphorous and cluster bombs, napalm and dump bombs that left vast craters were dropped on a neutral country of peasant people and straw huts. In one six-month period in 1973, more tons of American bombs were dropped on Cambodia than were dropped on Japan during the second world war: the equivalent of five Hiroshimas. The regime of Richard Nixon and Henry Kissinger did this, secretly and illegally.

Unclassified CIA files leave little doubt that the bombing was the catalyst for Pol Pot's fanatics, who, before the inferno, had only minority support. Now, a stricken people rallied to them. In Panh's film, a torturer refers to the bombing as his reason for joining "the maquis": the Khmer Rouge. What Nixon and Kissinger began, Pol Pot completed. And having been driven out by the Vietnamese, who came from the wrong side of the cold war, the Khmer Rouge were restored in Thailand by the Reagan administration, assisted by the Thatcher government, who invented a "coalition" to provide the cover for America's continuing war against Vietnam."
Source and further information:
"Recalling Pol Pot's Terror, But Forgetting His Backers
by John Pilger"
http://dissidentvoice.org/Jan04/Pilger0131.htm

About as crazy as denying folks health care because someone else might have to wait a few extra minutes to see a doctor.

The whole point of communism is to bring down the higher status people, whether that be due to wealth, intelligence, or beauty. They routinely killed people for wearing glasses because that was an indication they were educated.

With 'infamous' governments like the Pol Pot you should expect such stories, Usually spread by people who think they are helping by repeating unverified of just plain malicious rumours.

I very much doubt that what you heard was the whole truth.