I get you with your statement, though I don't agree.

The guy that spends tons of money on Mars travelling also spends tons of money to better the environment. This Musk guy I mean. It was he who pushed the electrical car. It is him pushing self-driving cars (self-driven cars shall in the end reduce the amount of car accidents while giving us free time to do whatever we want).

I do think things go hand in hand. In the end, Musk believes human time on Earth is short, which is why he spends such a staggering amount of money on Mars. In the end to save humanity, Sure we can debate the fact if Musk's belief is more correct than perhaps other's belief that humanity can exist on planet Earth for centuries to come. Time will tell who is right or wrong.