Raising the average death age so we have more time to solve important problems.
When you look really far into the future what do you think the ultimate technological achievement for our humanity will be or what's going to be the invention that proves that there won't be any more inventions above it?
Escape the simulation
Create more simulations
Even if we are not in a simulation, by researching this topic and raising the average death age we are going to improve the current rate of technology improvements massively.