Can’t monetize free users? Try threatening them with legal action
I don't think this is totally unreasonable. From their point of view, they offered a perfectly reasonable alternative to paying, which was ignored.<p>By ignoring (accidentally) the original email, the message sent back could be interpreted as: "We're not implementing your link back, and we're not paying for your service, but we're still going to use it anyway".<p>I'm playing devils advocate here, but there are two ways to look at this.