Banks have higher security system... Goldsmith & Money-changer got less...a typical robber will for sure go for the easy one...
cos of tight security in banks
They who think, What on Earth, worth the time and wealth go for golds and money.
They who learn, What children worth the Star Craft, with books and DVDs of knowledge, go for religious rules and laws.
They who think, What on Earth, worth not the time nor wealth go for the second highest mountain is Mt Everest or South Pole is New Vegas.