Robert Kennedy, on the campaign trail in 1968: "Too much and for too long, we seemed to have surrendered personal excellence and community values in the mere accumulation of material things. Our Gross National Product, now, is over $800 billion dollars a year, but that Gross National Product - if we judge the United States of America by that - that Gross National Product counts air pollution and cigarette advertising…
And no, having an accident doesn't increase GDP. If the passengers dies, that will remove their GDP from society. Riots are bad for business. The pandemic brought the GDP down even though Pfizer & Friends made record money.
GDP is the best measure of the size of an economy. Nominal GDP is the best measure of the power of an economy in its standing in the world, comparing to its at parity GDP.