In my opinion... If we REALLY wanted to detect near Earth asteroids, we'd focus on space based telescopes. They are better in nearly every way, except for the

In my opinion... If we REALLY wanted to detect near Earth asteroids, we'd focus on space based telescopes. They are better in nearly every way, except for the raw size of the mirror. But we use ground based telescopes because they are cheaper. Capitalism has already prioritized lower science budgets for finding big rocky planet killers.