no, the problem is the pharmaceutical industry (in the case of opiates, which USED TO BE LEGAL
And when they were legal, the pharmaceutical industry sold them. Made a tidy amount of money at it, too. Why would they want to ban them?
the paper industry (WHICH USED TO BE MADE FROM HEMP)
Well, no, at least in the larger sense. There are a few isolated documented cases of making paper from hemp, but for the most part, mass production of paper has always been from wood pulp. I've heard that processing hemp into paper is actually more expensive than using wood pulp, but I can't verify that.