Big D had seen another breakout of that virus (or something VERY similar) in past eras, they know what was bound to happens and thought the technology could provide that surrogate metameat, and rightly so seeing our RL technology how did the syntethic meat not so much time ago, well from there to some synthetic meat made of metahuman cell is in the possibility of Megacorp biotech...
That's would be a thing I would see... and I could see how the Megas will use it, goes to some ghouls and say, works for me I'll give you food and maybe some who couldn't resist enter in our property