That list can easily be made longer. Off of the top of my head I know that there are many more projects which have switch languages to Go. What they say most of the time is (from the article):
Since our transition to Golang we haven’t looked back. ... we’ve begun the process of modularizing our code base and spinning up microservices to handle specific roles in our system.
Since our transition to Golang we haven’t looked back. ... we’ve begun the process of modularizing our code base and spinning up microservices to handle specific roles in our system.