Well two things come to mind, they could effectively control a guardian without needing to turn them into vex, if you recall we had to beat three of the original iron lords one behind felwinter himself And the second the ability to really adapt and rebuild themselves quicker and their technology would be able to mesh well since the quicksilver storm, so if they did get it they could ever become really adaptive, really good and probably move even faster since they wouldn’t be just “robotic” anymore and more like a synthetic and since technology maya is technically still alive and is probably smart enough to use siva she could fix the flaws of the vex (their weakness being centre mass) and change it