In ancient Athens, only the very wealthiest people paid direct taxes, and these went to fund the city-state's most important national expenses – the navy and honors for the gods. While today it might sound astonishing, most of these top taxpayers not only paid happily, but boasted about how much they paid.
He downplayed his anti-semitism so he could win the elections by promising help to the german public. If he was honest about jews during the elections he would have lost.