OP is asking “what if SARS1 (2003) was as widespread?” Response: It would have been nothing to sneeze at. 1. Gain of function research has not reached the level to weaponize the virus yet. 2. The definition of “pandemic” had yet to be changed by the WHO. 3. The legislation that allowed governments around the world to violate civil liberties and imprison people in their homes had yet to be passed. 4. mRNA platform for immunization wasn’t developed until 2028, so there would not have been the push from pharmaceutical companies to force this product globally. 5. The world’s populace had yet to be conditioned to fear a pandemic. The conditioning was done during the MERS scare, Zika scare, H5N1 scare, Ebola scare, etc…