Consistent is a big one. Imagine every time you reach for a module in your codebase you have to remember that Joe came from C# so he likes to use PascalCase fo

Consistent is a big one. Imagine every time you reach for a module in your codebase you have to remember that Joe came from C# so he likes to use PascalCase for his methods instead of camelCase like the majority of JS libraries. And John likes Snake_case for his classes because he came from PHP and that seems more natural to him. I've been in that environment. It will make you tear your hair out in a week.