That is precisely my concern! Where in the world did you get that nonsense that capacity for chance and production is unlimited? So if an asteroid defense were(

That is precisely my concern! Where in the world did you get that nonsense that capacity for chance and production is unlimited? So if an asteroid defense were(!) to be more urgent (don't say it is) than that might need the resources first. Btw. spotting volcanic activity will not help you on a big eruption that changes the climate for millions of years (Deccan Traps anyone?). No sure anything will help us in such a scenario, to be honest