The blog post may be new, but the welcome of home networking questions on Super User has been allowed for a while.
The update to the Super User FAQ was just explicitly reminding other users that it's okay to ask such questions there.
That users would continue to post on Server Fault when it is just a personal setup and then asking why they're closed as off topic isn't giving any valid reason when you choose not to post where it would fit.
You have dropped by Super User at the wrong times then. It's not all about the Nerd Herd.
When people keep posting to the wrong site and then fingering another as not having any experts there, that's rather circular. If you're always lowballing, you never get higher.