That would remove all incentives to actually seek regulatory approval for drugs. We'd end up with an unlimited number of treatments trying to convince desperate

That would remove all incentives to actually seek regulatory approval for drugs. We'd end up with an unlimited number of treatments trying to convince desperate laypeople of their benefits. Another angle: yes, you would be willing to try any experimental drug you're reading about these days. So would I. But that's because the current regulatory system ensures that "experimental drugs" are usually at least good-faith efforts to produce a working, beneficial drug.