The interesting bits are before that happens. You need money mules, you need brokers to find the mules for you, you need escrow companies to stop the brokers from running away with your money, etc.
Because they make orders of magnitude more money than they otherwise would. The regional drug lord wouldn't be the next fortune 500 CEO if only he chose to not break the law.
It's not about the amount of work. If it were about the amount of work then ADHD would hardly exist.