Nope - just reading the court reports in the Irish Times and the odd bit of TV news. Do you really, really think that if you lock up the current generation of drug dealers that all sales of illegal drugs will just stop?
Thanks for putting words into my mouth there, brother.
Let me put it plainly. You said:
"as other younger (more violent, more reckless) criminals will rise up to fill the vacuum"
Where are your sources for this?