Because when I get tired of reconstructing the contents of the database between my various dev machines (at home, at work, on a remote server, on my laptop) I can just scp the sqlite db across.
Because it's "low effort" to just fire it into sqlite and if I have to do ridiculous things to the schema as I footer around working out exactly what I want the database to do.
I don't want to use nodejs if I can possibly avoid it and you literally could not pay me to even look at Java, there isn't enough money in the world.