> four people have been killed while riding them (...) The city's emergency rooms treat at least one scooter-related major injury every three days Okay ... is

> four people have been killed while riding them (...) The city's emergency rooms treat at least one scooter-related major injury every three days Okay ... is that bad? Rome is a large city, how many people get injured walking, on their bikes or in cars? I think the injuries are probably bad, but there's no argument there if you don't provide numbers for comparison.