The hackers still have opportunity cost. Also the support costs (communicating with victims who may or may not pay), paying for payload delivery (either explici

The hackers still have opportunity cost. Also the support costs (communicating with victims who may or may not pay), paying for payload delivery (either explicitly by letting someone else do it, or by putting in hours to do it themselves), server costs, the ransomware software itself might be bought or acquired in a SaaS or affiliate model. Just because it's crime doesn't mean it's free money