Appreciate your analysis. I wrote on this too with a few articles.

https://medium.com/illumination/10-reasons-to-take-social-security-at-62-6f8543940fb

https://medium.com/illumination/a-graph-comparing-starting-social-security-at-age-62-vs-67-bab1c5d00a0b

https://medium.com/illumination/crunch-time-for-social-security-f30a5bb6d544