it looks to me just a blog promoting himself (the author) lol.. i've heard this story about covidsafe app, none of the countries in the world were fully successful in implementing contact tracing app, lets accept that.
i just find it funny, maybe the guy wants to be famous. lol
I think the response time / latency to use Cassandra on the "read state" will be higher, and mind you cassandra is written in java (JVM) and has more garbage collection magic and latency than Go. From my point of view, it's not the language, it's your data store.
i just find it funny, maybe the guy wants to be famous. lol