1/2 The argument for this proposal is that it will make the BoP more reliable, which like technically yes, but surely not by much - every GTD entrant at Road America had a Gold or Platinum in it. Secondly, GTD Pro doesn't have driver restrictions, so you could just enter a GTD in GTD Pro.
IMSA is evaluating the possibility of mandating all active GTD manufacturers in the WeatherTech SportsCar Championship to also have a car in the GTD Pro class, beginning as early as next year.