Bullshit.
Post your references that makes you believe it is 4 weeks, otherwise I call Bullshit/False hope.
There isn't a single manufacturer out there who can have their chips pop out of the factory in 4 weeks. Especially at 28nm.
Right there in the monarch information thread: https://forums.butterflylabs.com/announcements/4414-monarch-information.html
If they haven't taped out then I would certainly agree with you. But
I'm not sure why you would assume this hasn't happened.
Not sure if trolling or drank the Kool-Aid...