It's a hard hitting show certainly showing how brave many were and how in denial the Government was. 3 mile island and Fukushima should warn us that Government's continue with the same deniability.
In the 1983 there were at least 25 experiments going on around that world that could result in an extension event for humans. In 2017 that number was higher than 2500
https://nickbostrom.com/existential/risks.html