If they get a bunch of requests they probably will.

I imagine it would only take a few keystrokes to modify the cnc program for the crimp die, and a few more to modify the box label.
pure speculation here, but I imagine that once current production is exhausted, they will probably reprogram.

I have talked to a number of companies (reamers, dies, etc.) that are planning on switching from Whisper/300-221 to the blackout once SAAMI finally approves the Blackout drawing. Once it is approved you will also get more companies making uppers.

Simple solution - send a couple of cases to Lee Precision, along with a check for $29, and have them make a custom "factory crimp" die for you. Takes about 3 weeks.