As online commentary states: I sold my car to myself for $1 million.
The numbers don't mean anything at all.
He is a certain type of anti-intellectual who believes "nothing is true unless I discover it myself."
Education is useless, truth is a lie, etc, etc.
So he destroys everything he touches until he can recreate knowledge himself, poorly, expensively, and redundantly. Then declares himself a genius for getting back to basically where the rest of humanity already was years ago.
Forget the rebels, why build the death star(s) in the first place?
It's easier, faster, and waaaaay more effective to just send a few dozen small ships throughout the galaxy with an extra hyperdrive or two to be ready to blow up any planet with some space junk. Any time. Any place. No centralized base for the rebels to stop.
If you subscribe to all the services, it can be expensive. But it's still FAR more flexible than traditional cable, since you can pick and choose which services you want on any given month, and cancel when you've binged all the shows. The shows that don't shove ads down your throat every 5 minutes, BTW.
This just reads like an ad for cable companies. "Please stay with the worst customer service in the country, the competition is just as expensive if you ignore how people actually use it!"
For all we know, in that moment Elon was standing on some dirt, making him the wealthiest person on lower-case earth.