1) He isn’t qualified to do that.The VOA comparison between Valvoline EP and Havoline look like the same add pack within the error rate of BS reports.
2) Not all additives show up in a simple VOA.
3) VOAs are good at showing initial concentrations, oxidation, viscosity etc, to compare to a subsequent UOA. Not product to product comparisons of add packs. There just isn’t enough info to say what’s what definitively.