Sometimes issues like this are less about the language than the code conventions for a company/project, though. If (for example) prefacing variables with a _ is

Sometimes issues like this are less about the language than the code conventions for a company/project, though. If (for example) prefacing variables with a _ is a short convention for saying, "While the language we're using doesn't enforce private variables, we only expect this to be used internally, and will feel free to make major changes to it. Consider yourself warned.", that's still highly useful. Of course, if you have such conventions, be consistent.