system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5 why .ini (or other config) files exist if they are just plain text?

I mean just a .txt would suffice, right?
gpt
Convention. You can rename config.ini to cheeseburger.avi, as long as the content structure remains the same and the program looks for that file name, it will work.

However, in IT culture this is considered a dick move, so people simply don't do it.