> If someone you know (a customer, in this case, with an existing relationship) wants to keep paying you, why go out of your way to say no?
Because I don't want to take people's money that I haven't earned. Why do I want to scam people? Blaming them doesn't make it less of a scam.
> unless there is a concrete reason you have to believe otherwise
Here we agree. You need a concrete reason. For example, if your service streams movies and they haven't streamed one in a year, that might be a concrete reason. Sometimes it's ambiguous, and then send them an email.
> You know they don't want the service or to pay for it; you are just taking advantage of their mistake.
Get this: In this jurisdiction, as an employer I have to legally continue to pay for the services of labor for another two weeks (at minimum, more if the worker has been around for a while) after I no longer want the service. That's thousands of dollars, possibly even tens of thousands of dollars, for a service I don't want.
Curiously, I have never yet met anyone who has politely declined or offered to pay it back. I suppose all workers are scammers by nature.
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