Meth and cocaine are already "legal", i.e., available at affordable cost with little or no penalty, to kids in most places. And who is "the government" that should "try..." to do things? Do you mean society? Government is not society, it is a sort of business built by some people in society to get certain things done.
"Legalization" is not about whether children can get drugs. Children always have first pick of the available drugs. It's about the opinions of a small group of people who believe that they should use force to make people pretend to learn what they think they know.
... There has been an aggressive push to over prescribe opiates in certain parts of the country. Check the rates at which they dole this shit out; there was a county somewhere that had prescribed enough painkillers that every citizen should have gotten a few hundred.
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Also, while I approve that we are helping addicts instead of incarcerating them with this, where was all this rehabilitation shit during the crack epidemic? Black folks ate a long legal dick during the crack epidemic. We locked their asses up, and filled the prisons with a generation of addicts. No talk of solving the problem, we were 'tough on crime' back then.
Kinda like now, under Sessions. But you will never see the massive uptick of inmates behind this, like in the 80s. Now that the demographic of addition has shifted (white, rural rather than black, urban), so have the treatment priorities.
An M.D. is a business license. If a person wants to help people survive or cure diseases they don't need a license. But if they want to cash in they do. Drug dealers are at least honest in that they aren't pretending to be something other than drug dealers.
As for the crack epidemic, there was a famous journalist in the early 80s who wrote about the mechanics of the crack epidemic, starting with the use by people in government of cocaine to make a profit under cover of patriotism. Inequality of penalties for crack vs powder were calculated and reflect the racial values of the people in power. Other countries, including African countries, do the same.
Prison is a bigger issue. There are states in the south where more than 1% of the population is incarcerated and often several percent of the black people are in jail at any given time. This might have been societally surviveable in a sense a hundred years ago, but there is nothing driving the United States to ruin today as much as the fact that it uses the cage to solve any problem. "School" is where a person goes to learn, it doesn't matter whether you call it "school" or "prison" or whatever.
I'm ambivalent about drug legalization. On one hand I understand the practicalities. Legal manufacturers can be regulated and so the quality of their products would be better, hopefully reducing deaths. These manufacturers are also taxable and so the gov't also earn money. The question is what drugs should be made legal. Another is the tendency of certain drugs to increase resistance, requiring the use higher doses or more potent drugs.
I'm not sure about recreational marijuana but I heard that this don't cause as much violence as meth. Hopefully people also don't build resistance to it.
Do you think that people should learn things? Or do you think the government should be in charge of making things such that nobody has to actually think? Should government's purpose be to make all the important decisions in a person's life?
If a person wants to use a drug to "do their job better", that should be their choice, they get the benefits and pay the price, their responsibility. People in management, including government zombies, should not impose their opinions on others though, including if they have an opinion that improving performance through drugs is good. Hitler made it a lot further than he would have otherwise by using drugs. It helped him a lot in the short term, but he would argue that the short term is where a person lives anyway.