you get a certain wealth and then you make sure your kids go to college for a profession like medicine or law.....
How many Jews go to Harvard?....I think its like 25-30% and entry is based quite a bit on if your parents went there or if you're parents are big donors....
that's connection...
conversely, what are the chances for an ordinary caucasian Christian from podunk, usa to get into Harvard?....after the legacy admits, and the admissions exclusively for minorities, there are not a lot of slots.....
....connections....its all about who you connect to and if you go to Harvard, you're paying to get connections.
The key word is “parents”, how many black children grow up in homes with two loving parents?
At least for the Orthodox Jews, since they aren't allowed to make fire on the Sabbath, they aren't allowed to drive.
This means that they all need to live within walking distance of their Synagogue. This unintentionally aids in building up and maintaining strong Jewish communities.
Also, Kosher Laws, mean that Jews will tend to shop and dine at similar establishments meaning that they will bump into each other on a regular basis, which further unites the community.