Alcohol is a drug. It harms people. So does smoking, TJ (remember?). But, neither of them are as pathetically stupid as taking a horse tranquiliser for "fun".
Have a pint, smoke a cigar. Smile.
Ah yes, let's consider the honourable tradition of tobacco production. How about British American Tobacco as your starter for 10? Staunch supporter of the military dictatorship in Burma, implicated in dubious tax evasion, smuggling and numerous other despicably unethical practices. A venerable heritage indeed, overseen by the mighty Ken Clarke, one of your beloved Tory crones (a former health secretary no less). Now just you make sure you "spunk your cash" to the right sort of criminals.
What's that I smell CFH, a whiff of one of your finest Monte AA's? No, my mistake, it's the putrid stench of hypocrisy emanating from your post. 😉
As for the OP, having been around various people using ket recreationally several years back up till more recently, it seems entirely pointless, for the reasons julianwilson and others point at.