Why does the desktop app store notes in plain text?

on linux in the .config folder there are files with a “.data” extension that can be opened with the default text editor and every one of my dynalist notes can be read there. the text is in between a lot of json looking text that makes it very hard to read but its still readable none the less.

is this normal? i would have though everything would be stored in some sort of database that only dynalist could read? the files stay there even when i log out of the dynalist app. im not sure i like the idea of all my notes being so easy to access if my laptop was ever lost or stolen