Amazing how nerds can be so focused on if it was 1 kiloton, 2 kilotons, or 3 kilotons - and they are arguing about it like it really matters.
Then, you came to this HN post and described a bunch of people as "nerds" for trying to interpret the magnitude of the blast by observing what was captured on video.
The contrast between these two simultaneously held attitudes is so bizarre that I am chuckling to myself as I try to grasp your underlying thought process.
(You could easily have switched your approach to the two threads, criticizing the Intel i5-vs-i7 nerds while doing some napkin math to come up with your own estimate of the Beirut explosion in TNT terms.)