Honest question: what makes the botting illegal? Wouldn't it just be a ToS violation?
This is definitely the highest profile case I've seen of this, though.
It turns out that the other bits of the deal also matter.
pdf here - https://www.justice.gov/usao-sdny/pr/north-carolina-musician...
As for what makes the botting illegal, in this case its theft through misrepresentation. He was charged with wire fraud conspiracy, wire fraud, and money laundering conspiracy.
https://www.justice.gov/usao-sdny/pr/north-carolina-musician...