40% of the internet hitting Bing would potentially overwhelm it. Keep in mind the subprime mortgage crisis was several banks. Add microsoft and google, the world would panic.
Facebook sees 1/3 traffic of google. Just like a run on banks, people desperate for info would prob level news sites maybe even FB.
Consider that outside of content/services we have providers. Verizon down. At&t down. Overwhelm the other towers or broadband failure.
Leaving aside how disgusting it is that these are actively encouraged monopolies and kill innovation & competition, it is dangerous.
1% of Germany lost internet TODAY. Deutsche telkom hit with ddos. 5 Banks in Russia 2 weeks ago. Oct 21 we all remember what happened to dyn.
This isn't even hypothetical, literally getting worse daily.