Judging by his net worth he hasn’t done anything for us, he did it all for himself
Elon has a closed box that he has successfully convinced a lot of people that there is a lot of money inside, and sold them small stakes in the contents, and promised year after year for 10+ years that this will be the year he opens it.
Many people have built products used by far more people, that have generated far more utility, and accumulated far less personal wealth. These things aren't connected.