I’m really saddened that you think I’m a troll. I’m honestly not. I’m trying to understand you. I just cannot see how spaceflight could be more important for humanity in the next, say, half-century than transportation. Cool, sure. (Maybe also scientifically valuable if the cost of payloads decreases – but those payloads are actually already most of the cost, so I don’t foresee much change there.) Important? Don’t think so.

I’m also not sure why making electric cars work in the market is any more obvious than slightly cheaper space launch vehicles.

For decades people said they can make electric cars work in the market. They couldn’t. Maybe Musk will.

For decades people said that space launch costs will decrease. They didn’t. Maybe Musk will.

The difference between those two isn’t so big and transportation has the bigger immediate impact on humanity. I mean, both SpaceX and Tesla have many competitors.

(I’m also not sure what sources can tell you here. Comparing two so completely different things is a bit of a fool’s errand, a single source will hardly be valuable. You would have to cleverly combine date to make this somehow work – and much of this is open to interpretation.)