This is one of those blog posts written so I don't have to answer lots of people individually.
If you're angry, I doubt it will make you less angry. That's not how the Internet works, I'm afraid.
It is just a collection of links and stuff.
You're probably here after watching this video about the sum of all the integers. It shows how some physicists deal with the problem of the diverging sum 1+2+3+4, etc:
Here is an accompanying video we uploaded at the same time. You may have missed it:
Here is an article written by Tony Padilla after the video was published. I really recommend reading it if this topic interests you. For me, it is the most important link on this page.
Here's a video I later made with Ed Frenkel, where he discussed the result:
If the notion of 1+1-1+1-1 brought you here, here's something else:
If you are still angry, that's okay.
I warned you this blog probably would not help!
I'll give the last word to Ramanujan: