Yes, there are solutions to those problems, but the point is that rustc doesn’t force you to use them. For example, rustc will happily let you write to a file w

Yes, there are solutions to those problems, but the point is that rustc doesn’t force you to use them. For example, rustc will happily let you write to a file without first ensuring that the process has exclusive write access to the file. It is no safer than Go in this regard.