He writes compilers and developers tools. There are plenty of other developers of compilers and developer tools for Windows who apparently don't see this as big

He writes compilers and developers tools. There are plenty of other developers of compilers and developer tools for Windows who apparently don't see this as big hassle because probably they understand that Windows have other ways of doing things differently from the way he is used to doing in Unix. If his application can only work by creating and deleting files as soon as they are created, then it makes sense for him to point his users to the appropriate documentation.