Lockpicking is probably a close analogy; and that is an perfectly accepted and legal hobby in all western countries, with thousand of youtube videos on how to p

Lockpicking is probably a close analogy; and that is an perfectly accepted and legal hobby in all western countries, with thousand of youtube videos on how to pick common locks. Computing is actually different. There are laws for example in Germany ("Hackerparagraph") that make it illegal to produce "hacking" tools.