I found this very compelling, but when he started praising the current presidential administration it began sounding more like libertarian anti-regulation propaganda than a legitimate critique.
The sources seem good so there's merit for review, but I don't think the solution is "assume everyone has the same level of biological repair ability and abolish the current safety measures of the industry".
Cancer is also not the only harmful thing radiation does - you can also get infertility, birth defects, etc at lower doses.