Elon Musk did not create Tesla, and it succeeded thanks to a massive low-interest government loan.
If you want more Elon Musks, start electing politicians that are willing to invest in things that private citizens can't or won't, and stop caring about whose name is on top of the org chart.
He was the primary funding for the company throughout its early life and then personally saved the company from failure. Without Elon Musk the company would not exist at all.
The DOE loan probably did save the company, but before Telsa there was no electric car company worth giving a government loan to in the first place. And they paid it back 10 years early.
Fisker, a Tesla copycat, got ~$1.4 billion in DOE loans and failed completely. Tesla got a third of that and succeeded because they had Elon Musk.
If you want more Elon Musks, start electing politicians that are willing to invest in things that private citizens can't or won't, and stop caring about whose name is on top of the org chart.