> Because you are not actually jailing people, duh.
The United States has 2 million prisoners. 6 million people are under supervision of other phases of the "criminal justice system." This is the largest imprisonment regime in the history of the planet in sheer numbers, and the largest present today in sheer numbers or per capita. How many do you propose jailing?
> Snoop Dogg, why the fuck he's not in jail already
The answer to this is simple: the government does not have the power to do this and yet continue stay in power (this is sometimes called "political capital"). Cannabis prohibition has never enjoyed anywhere near consensus support among Americans, and hasn't even enjoyed majority support for a decade now. Jailing Snoop Dogg for smoking cannabis will result in nothing short of a general strike (or worse) among young people, especially young people of color.
It is not an exaggeration to say that an event of this magnitude, conducted in the public eye against an articulate public figure, effectively turning that person into a political prisoner, is likely to result in the total collapse of the US political system.
As you rightly point out, the government enforces the law with a great deal of "discretion", sometimes carefully choosing to tread in places that won't result in this sort of revolt. The drug war is already on a razor's edge. And I think that the state has already shown a willingness to imprison (in 13th amendment terms, to enslave) a huge mass of Americans.
The reason that more is not done is because it is politically impossible.
> Strict and actual enforcement of drug laws works. Period.
Your use of the sentence "Period" indicates to me that you don't actually take your own position particularly seriously.
And you are unambiguously incorrect on this point, at least if you take every academic expert seriously.
Moreover, you seem to be under- and mis-informed about the facts surrounding drug policy, and this appears to be hampering your argument. If you are interested in gaining knowledge in this area, I suggest Mike Gray's book, Drug Crazy, in which he very convincingly shows the futility of prohibition in a world historical context. [0]
I think that Drug Crazy is a very effective refutation, made by someone who is a deeply compelling author, a lauded drug policy expert, and cannabis consumer, to the assertion that "Strict and actual enforcement of [drug prohibition] works."
> Singapore and Japan are effectively drug free.
I think that it has been reasonable to assume sincerity on your part until this statement. But now I'm not so sure. Do you really mean this? Are you just totally unaware of these reality of these societies?
First of all, declaring a particular political region "effectively drug free" requires that you first adopt a contrived definition of what a "drug" is. Both regions you have chosen have cultures that celebrate intoxication from alcohol, a drug whose toxicity profile is similar to heroin and withdrawal from which is a far more dire medical episode than withdrawal from heroin. Japan in particular embodies this phenomenon as much as any place on the planet.
So before we even talk about the actual prevalence of addiction in these societies - rates of which are extremely difficult to ascertain due in part to drug prohibition - we have to recognize that this ostensible achievement has come only by choosing to allow the vast majority of drugs, again including alcohol, which is perhaps the most intoxicating and debilitating drug among those widely consumed by humans, to remain legal and then handling the consequences of their unhindered consumption.
The fact that Singapore and Japan have purportedly reduced consumption of a tiny few drugs out of the pharmacopeia of thousands is not impressive, nor touted as a success by any serious drug policy expert.
> I'm very against saying that US is actually doing something about the drugs
Fine, I can understand this position. I think that you need to educate yourself on the history of political capital as it is consumed by prohibition, from the opium wars to wrangling over the Southern border of the USA today.
For this, I recommend Jim Gray's (unrelated to the other author I suggested) book [1] or Michelle Alexander's book [2].
If books are not your thing, let me know what kind of media you prefer to consume and I will dig some up for you.
0: http://drugcrazy.com/
1: http://www.judgejimgray.com/whyourdruglawshavefailed.php
2: http://newjimcrow.com/