Re: A cheaper option in the long run?
"Where they are replaced by lieutenants."
Then the lieutenants get busted, too. And so on. At some point, the organization gets so disorganized due to lack of leadership they can't function effectively and end up splintering into local hoodlums again instead of organized rackets.
"Prison is supposed to prepare criminals for return to society - a society in which phones play a major role. But prisoners' only access to a phone is an expensive, un-private, inconvenient dumb payphone."
Except many prisoners are dead-ends. They were never in society to begin with. And since the UK doesn't believe in capital punishment, not even for the likes of a Bin Laden, there's no outlet for the true rejects.