I don't know if the sundry costs are perhaps somewhat inflated for effect. But, that aside, two things. First, that is one butt-ugly vehicle. And, second, who in their right mind would buy an expensive car on credit? If you can't afford an expensive car, then you probably shouldn't buy an expensive car.
Musk is privately humble and does name things after himself According to the biographer Walter Isaacson, Musk has little interest in philanthropy. He believes that he can do more for humanity by leaving his money in his companies and pursuing the goals of sustainable energy, space exploration and AI safety with them Elon Musk has a significant charitable foundation, the Musk Foundation, which is one of the largest in the US, with assets exceeding $9 billion.
As noted in media articles -- Musk's Foundation has given very little to charity except for ventures that help himself. Very similar to the Trump charity.