It's how you play with the numbers. More people in China can speak English than there are English-speakers in the United States. In the case of USCw, if only 10% of households in the market cares about football, that's still more than 75% of Birmingham households (5,735,230 LA DMA households x 10% = 573,523 compared to 730,440 Birmingham DMA households x 75% = 547,833).