there are always 2 sides of coin.. in that case , the officials didnt take the necessary precaution , as understood from the report.. and the girls unfortunately made the deadly mistake.. sadly there is no way to bring them back, but I hope they dont die for nothing and the officials do everything necessary..
Whilst I fully understand, and to some extent agree with what you are saying, I have to, errrrr, disagree

. To an extent.
Here is a not dissimilar scenario.
About 5yrs ago, in Oxford, a woman had taken her kids, and some others, to a birthday party. At some point, they had to change venue (can't remember specifics, maybe from McDonalds to the birthday boy's house??), but there were only 2 adults/cars. So one of the women packed about 10 kids in her people carrier, and proceeded along the Oxford ringroad, a fast dual carriageway, with no central barrier, as the verge between carriageways was very wide.
Anyway, as she approached the MINI plant, she was obviously distracted by one of the kids in the back, and she swerved, crossed the reservation, into oncoming traffic. All killed. Sadly. Tradgically.
Because it had to be somebody's fault, and it couldn't possibly be the parent being wholly irresponsible having that many kids in the car (insured for 7, not 11), and not concentrating on driving, the end result is it had to be the fault of the authorities, so now its a 50mph limit (and a central barrier of concrete K rails built).
Ridiculous.