I often have South Park's counselor Mackey's line "Drugs are bad, m'kay?" running through my head when I read stories about drug abuse. Of course drugs exist on a continuum ranging from the beneficial to the pernicious... anti-depressants are beneficial drugs that help people live productive lives, for instance.
Other the other hand, methampethamine is a rather pernicious drug in my experience.
Unfortunately, now it's even easier to make and meth arrests are on the upswing again.
[N]ow drug users are making their own meth in small batches using a [two liter bottle for a] faster, cheaper and much simpler method with ingredients that can be carried in a knapsack and mixed on the run.
The "shake-and-bake" approach has become popular because it requires a relatively small number of pills of the decongestant pseudoephedrine — an amount easily obtained under even the toughest anti-meth laws that have been adopted across the nation to restrict large purchases of some cold medication.|New meth formula avoids anti-drug laws - MSNBC|
I do support decriminalizing many drugs and reducing penalties by encouraging treatment options over prison, but there will always been some drugs that are beyond the pale, like PCP.
Meth is horrible because it not only destroys people's lives but also leaves toxic waste behind that's harmful to law enforcement and anyone else who lives in a contaminated house where the meth has been cooked or shaken.