If you get 600 heads in 1,000 flips of a coin, you can be pretty sure you've got a biased coin. But 6 heads in 10 flips tells you nothing. The smaller the numbers, the more they conceal. As businesses shrink, discrimination gets easier, but as markets spread out irrational discrimination gets prohibitively costly. The shrinking and spreading are happening everywhere in our economy today, because computers, radios and wires make smaller enterprises more efficient and tele-business more profitable.
Competitive markets discriminate, but only on rational grounds.
Whether it's promoted by private fools or public ones, irrational discrimination in America will never be the same again.