They have selectively bred throughout centuries to become more intelligent.
>centuries of emphasis on literacy and education in Jewish communities, particularly for religious study
>urban concentration historically, which correlated with advantageous occupational opportunities
>cultural value placed on learning and intellectual achievement
>selection pressures from historical persecution that have favored intellectual traits

Their average IQ is largely above the average white's. Let's just accept they won and are at least acknowledge they are above us intellectually.