if it is so horrible and likely (as you have suggested several times), your failure to act appropriately does then make it your fault. Would you jump into an area of water known to be infested with sharks and attacks from them and blame the sharks for biting you? Sure the did the actual biting but a smart person would have avoided jumping into the water or would have properly protected themselves. That is where it becomes your fault.
You apparently were aware of the conditions yet you carried cash. Your fault. You carried a purse that you are aware is a target yet you still carried a purse; your fault
so, don't carry a purse. don't carry cash. if you carry a purse, carry one that has a reinforced strap that cannot be easily cut. If you must carry cash, carry it on your person. They make money belts, money underwear, wallets that strap onto your leg, Hell, follow the methods of the drug mules and stick it up your butt if it is so likely your will have something stolen from you.
When a person walks in front of a car and gets hit, it's really hard to blame the driver, even if he was drunk.