Some are sociopaths and don't care. Some think that everyone in the target country they're calling is rich and/or insured and/or will get reimbursed by their g

Some are sociopaths and don't care. Some think that everyone in the target country they're calling is rich and/or insured and/or will get reimbursed by their government anyway, so it's more like shoplifting (from an insurance company or the government) than stealing from a person.