Sure, with all the artificially added goodies they could partially overcome their handicaps, but not if they soyed themselves, which is what the soyaks do.
Even if you optimize vegan diet, you are still at 30-40% percent lower strength than if you went with omnivore diet, there is a reason why there are no vegans at top level powerlifting competitions.
Political arguments would be so much simpler.
''Interesting opinion, how much is your deadlift?''
''60''
''Mine is 230, argument destroyed.''
Soyaks would be disqualified from politics.