Don't get bent. You can do whatever you want. To answer your question no a 33" inch tire isn't required for a 4' lift for trucks. But is the minimum that MOST would go with to make the truck ride and look correctly. Perception is reality. But hey your ride/ your dollar. You either are wound way to tight or can't sense when someone is joking with you.
Wiggins your blazer looks awesome! Uber clean and rust free. You don't see many of those anymore in that shape.
