You don't have to be a bleeding heart to see that gaoling people for drug-related crime is short-sighted, ruinously expensive, and socially counter-productive.
In practice, the overwhelming majority of pursuits arise from property crimes, theft, drug possession, an inebriated motorist or young drivers thinking irrationally, ruinously.
We have the most bloated banking sector of any major economy, making our public finances extremely vulnerable in the event of another ruinously expensive bail-out.