Next time a clever dick on a forum or a clever journalist argues that there is no evidence for x or y answer as follows: There is no Class I evidence from randomized controlled studies that using a parachute saves lives, nevertheless most people accept that and use them anyway.
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And to shut them up permanently quote the following from a highly respected medical journal...
Conclusions Parachute use did not reduce death or major traumatic injury when jumping from aircraft in the first randomized evaluation of this intervention. However, the trial was only able to enroll participants on small stationary aircraft on the ground, suggesting cautious extrapolation to high altitude jumps. When beliefs regarding the effectiveness of an intervention exist in the community, randomized trials might selectively enroll individuals with a lower perceived likelihood of benefit, thus diminishing the applicability of the results to clinical practice.
https://www.bmj.com/content/363/bmj.k5094