The reality of modern software cracking is simple: What you are downloading is not a tool to unlock Amplitube; it is a tool to turn your studio PC into a zombie for a cybercriminal.
The widespread use of keygens had a significant impact on software development. Many software companies lost millions of dollars in revenue due to piracy. The use of keygens also led to a cat-and-mouse game between software developers and pirates. Developers would implement new activation mechanisms, only to have pirates develop new keygens to bypass them.