I emailed MS and received the following reply from Julie Solon:

Thanks for the feedback. I went back to the developer who asked me to make this change a few months back, and he apologized for the mistake. I’ll restore the text with a slight modification:

The process is a console application that is being run without a console window. Therefore, the console handle for the application is not set.

This flag is ignored if the application is not a console application, or if it is used with either CREATE_NEW_CONSOLE or DETACHED_PROCESS.