The premise of the movie is a teenage boy (one Christian Slater) who is a loner and finds a way to break into an unauthorized radio station. The movie may be worth watching on Netflix, and sorry to say the movie trailer doesn't do it justice.
Fast forward roughly twenty years--this movie came out in 1990--and instead of an unauthorized radio station, the main character would probably be the star of his own podcast. He would have revolutionized it by doing what he did to the radio station.
And it would not have been illegal.
Interesting food for thought . . .