newlunarfire

It might sound dumb to you but your solution is used by Japanese train engineers before leaving at a station and trains in Japan are really efficient and on-schedule.

https://www.allaboutlean.com/pointing-and-calling/

It is a single point of failure for devs around the world. Remember the attack on Dyn DNS? Thousands and millions of devs stopped working because GH was down.

He does, indirectly. He just can't give a precise estimate. A few years to climb to L1, a matter of weeks afterwards.