>>715826523
>sacrifice himself to introduce the purifying virus to cleanse the world of all mutants and radiation for rest of time
And kills everyone else in the process. When you drink the Aqua Pura with the FEV you instantly die. It isn't a magical cleasing tool that gets rid of mutated radioactive life, it's a generic bioweapon that the Enclave wants to use to ensure get rid of any potential resistance in the mainland regardless of their origin.