Earlier quoted context omitted.
Landing on the moon in 2024 is far less ridiculous a statement than Kennedy's moon announcement in 1961 was. We can do it, we just don't want to badly enough.
Manned spaceflight and stations are unnecessary in the near term. Autonomous drones and machines can bootstrap colonization. A mining refinery can be bootstrapped easily, all remotely. Then asteroid mining droids will drop their payloads there for refinement and processing.
> If space exploration continues to focus on sending robots to other planets, "we will learn less about the solar system in the next 100 years than we will if we engage in an ambitious program of human exploration,"
In other words, sending humans could be more efficient use of funds. This is an old topic which was rehashed many times; some conclude that robot's advantage here is not real.