One factor is that it’s really hard to find loyal henchmen to perform hits who won’t later blackmail you or squeal to the police in return for a plea bargain. Y

One factor is that it’s really hard to find loyal henchmen to perform hits who won’t later blackmail you or squeal to the police in return for a plea bargain. You need an organization to enforce loyalty down a chain of command, like any crime syndicate, and it’s hard to keep that a secret. It’s better to apply your energies to creating things.