Earlier quoted context omitted.
The problem is that lay people have essentially no ability to distinguish between potential 'last shots'. And exemptions will invite snake-oil salesmen. It can be frustrating, but the rules weren't created in some blind bureaucratic power-grab. They're responses to actual problems that existed in their absence. They aren't without their downsides, but they remain better than the alternative on balance.
Yet somehow countries that regulate drugs merely by safety tend to produce better health outcomes than countries that regulate for safety and efficacy like the US FDA does. You're just asserting that the upsides outweigh the downsides, but every study I've seen that tries to measure things quantitatively comes to the opposite conclusion. The gullible are already getting snake-oil in the form of herbal remedies and ho…
As with the drug war, we drive people into being basically criminals when they're in reality suffering from a medical condition.
So rather than being allowed to experiment with extremely desperate volunteers who could likely one day provide some real EUREKA therapies, we send those folks to the dark side where they're much more likely to spend a great deal of money and be taken advantage of.
That's a huge practical loss, but an even greater ethical loss. At its very core, we are throwing away people's right to choose what to do with their own bodies. Being okay with that ethical tragedy is like being okay with rape or torture for some poorly proven "greater good".