By your argument, DST should be suppressed entirely.
If there are less accidents going to school during the day, then the switch in March to DST means that in many places people will go to school when it's still dark, which sucks..
If there are less accidents going to school during the day, then the switch in March to DST means that in many places people will go to school when it's still dark, which sucks..
I would also wager that the risk of being hit by a jetlagged, drowsy driver offsets any dubious benefit changing the time twice a year might have.