it depends on who you are writing software for. Not every project is open source (this wasn’t originally) and even some open source projects aren’t intended to

it depends on who you are writing software for. Not every project is open source (this wasn’t originally) and even some open source projects aren’t intended to be used by people outside of a specific region. Furthermore, if someone is writing a hobby project, particularly to learn to code, (again like this project was) then they should be allowed to code in their own language.