Sure, I'm not claiming that they'll be there next year (or possibly ever). If the predictions/promises/whatever you might want to call it, hold true, they'd be

Sure, I'm not claiming that they'll be there next year (or possibly ever). If the predictions/promises/whatever you might want to call it, hold true, they'd be great, and it's not totally crazy like the perpetual motion people. If not, then we've spent a few billions and probably just learned a lot of interesting stuff and improved a bunch of scientific areas.