They changed the license agreement that came with the Cuecat software CD to prohibit reverse-engineering.
http://www.cexx.org/cuecat.htm
It didn't matter, both as a practical matter and as a matter of law. As a practical matter, the (ahem) cat was out of the bag: there were so many web-hosting companies back then, and people mirrored the code to so many of them, the company would have its hands full chasing them all down and intimidating them into removing the code.
7/
Then there was the law: how could you impose license terms on a gift? How could someone be bound by license terms on a CD that they simply threw away without ever opening it, much less putting it in their computer?
https://slashdot.org/story/00/09/18/1129226/digital-convergence-changes-eula-and-gets-cracked
In the end, Cuecat folded and sold off its remaining inventory. The early 2000s were not a good time to be a tech company, much less a tech company whose business model required millions of people to meekly accept a bad bargain.
8/
Then there was the law: how could you impose license terms on a gift? How could someone be bound by license terms on a CD that they simply threw away without ever opening it, much less putting it in their computer?
https://slashdot.org/story/00/09/18/1129226/digital-convergence-changes-eula-and-gets-cracked