Pirates are not paying customers.
Pirates are not “customers” at all.
Pirates are thieves.
Thieves are not customers because they do not buy.
You have to buy to be a customer.
Pirates and thieves are consumers.
Rats, termites, and boll weevils are also consumers.
But they are not customers because they do not buy what they consume.
A customer is a consumer.
A consumer is not necessarily a customer.
Lot’s of people seem to have difficulty understanding that very simple fact.