"Double-blind placebo-controlled randomized controlled trials" are a TOTAL REQUIREMENT to assess the effectiveness of incremental drugs, i.e. drugs that claim to be better than some other existing drug. In the case of the parachute, there is no such other: apply common sense. If any society has managed to enforce by law the Double-blind ... etc assay, then that society will rightly get what it deserves for its bureaucratically administered shortsightedness.
