That's Magic Thinking. Just because you want something doesn't mean it's going to come true. There are thousands of other entrepreneurs you've never heard of, who were also highly motivated but it didn't work out for them. (That's why you've never heard of them.)
To explain the relative success of SpaceX and Tesla by Elon Musk "wanting success" is a fallacy. You should instead reason by first principles (as Musk himself recommends for entrepreneurs to do) and analyze what they did in the past couple of years, what worked and didn't work, what factors were involved, and how that led to where they are today.
To explain the relative success of SpaceX and Tesla by Elon Musk "wanting success" is a fallacy. You should instead reason by first principles (as Musk himself recommends for entrepreneurs to do) and analyze what they did in the past couple of years, what worked and didn't work, what factors were involved, and how that led to where they are today.