If you cant do the time don't do the crime, it really is that simple. Knowing your rights and the law help, as well as not breaking the actual letter of the law.
With Akaiyou's case, the owners should and could have sued for criminal damage to their property, and compensation for any claim made against them. They could easily have won this, it is the type of thing farmers use when ramblers try the same crap (in the UK, that is)