Title text:
'They really shouldn't let those small cars drive in traffic. I worry I'm going to kill someone if I hit one! They should have to drive on the sidewalk, safely out of the way.'
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3167/
It isn't safer if all of the other drivers are also in massive suvs.
There's also humans in the world. Not just drivers.
i also question how much safer it actually is in practice, because it's harder to control a heavy vehicle, especially stopping takes a longer distance.