The chart claims the community, economic and environmental (combined, mind you!) cost of meth is negligible.
I mean, I don't trust the chart.
Unless it's saying that meth heads have a low impact on the enviroment, because they're not heating homes they don't have. And they have a great community, because they usually do drugs together. And they support drugdealers so they are good for the economy. Someone has to buy a Mercedes G Class and it's probably going to be someone who deals meth.