Absolutely, especially in terms of copyright and liability (of open computer systems, e.g. Germany's open WiFi nonsense). But in some cases good enough proof o

Absolutely, especially in terms of copyright and liability (of open computer systems, e.g. Germany's open WiFi nonsense). But in some cases good enough proof of unauthorised compromise of computer systems can be collected, in those cases, why isn't there any cooperation? E.g. botnet makers.