I’m a kinda-sorta advocate of space exploration because I realize that the technology goes far beyond the intended purpose. Figure out a way to send a robot probe to a distant planet and you also have come up with hundreds of new applications that can be used right here on the Big Blue Marble. It is in this that people dedicated to space travel and myself agree.
True blue space enthusiasts lose me when they try to make the case for a permanent human presence in space. It would cost far too much with the technology we have available, and they have never been able to come up with any benefit to justify the effort that makes any sense to me. A lot of them insist that it is something we have to do, though.
One of our fellow Boyz, Steven den Beste of Chizumatic fame, gave me some insight into their motivation.