There was a NY Times article about that. If cars were invented today, and you told them how many people got killed in traffic accidents, and how much pollution it caused, and all other side effects, people would tell you to fuck off.
Cars are a perfect example of the frog in the boiling water effect. We slowly got used to TENS OF THOUSANDS of deaths per year in each country by car accidents. We are absolutely okay with that, because it slowly developed over 100 years.