What you describe is a failed, or at least failing, state. What makes you think these para military groups would stop taking over society if they are made legal?
Look at other mafia run states. Most of them aren't dependent on the drug trade. It's a parasitic part of the economy that won't let the rest of the economy flourish.
Look at other mafia run states. Most of them aren't dependent on the drug trade. It's a parasitic part of the economy that won't let the rest of the economy flourish.