I know you put the numbers and everything, but I didn't quite grasp just what a monumentous task this was until I saw the image of the "path through a ridge": https://commons.wikimedia.org/wiki/File:Link_between_Ghivra_...
It is absolutely bananas (and wonderful!) what a single human can achieve with love, passion and determination.
Mr. Manjhi was compelled to this momentous thing after his world was torn apart by it. He persevered while the very people whose lives and whose children's lives he was improving mocked him. He worked for 20 years compelled by his demons and the universe is better off for it. I hope destroying the mountain gave him peace.
"though most villagers taunted me at first, there were quite a few who lent me support later by giving me food and helping me buy my tools"
"Misery is wasted on the miserable." https://www.youtube.com/watch?v=wQTbkEeCTeM
You can be angry that the machine exists - and work to destroy it - but you can also appreciate people doing the work to stop orphans from being crushed. And you don't always have to do both at once.
If you only engage in the former... well, then orphans just keep getting crushed while you try to figure out how to stop it. And keep in mind the machine is much smarter than you, and has been doing this a long time and is really good at it and is always getting better, and is supported by various systems to protect it, and...