"Thai people hardly knew about local history"... "Memories would become defunct one day as all memories could be downloaded from the ‘cloud’."
Hence it is very important to record the history on to a blockchain. We wouldn't want it to be forgotten, or even – *shudder* – changed by those who ever may be in power.
Oh! This is a very good point, I never thought about such thing! Some people will want to control everything!