Why did the Italian ATR 72 couldn't?

I saw yesterday something that has not sense at all ,National Geographic
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Pilot Chafik Gharby and co-pilot Ali Kebaier each received 10-year sentences. Tuninter (Sevenair) director general Moncef Zouari and technical chief Zoueir Chetouane were sentenced to nine years, while eight-year sentences were handed down to the airline's head of maintenance, Zouehir Siala, chief mechanic Chaed Nebil and maintenance squad leader Rhouma Bel Haj. Two members of the airline maintenance crew were acquitted. None of the defendants were in court for the sentencing and a lawyer for the airline said they will appeal the sentences.
The big difference between the two aircraft is the reason that one broke up and one did not. I have seen that show too and the pilot of the ATR also touched down at the correct speed and perfect angel, but the strongest part of the aircraft is on top of the fuselage, that being the wing box. The Air Bus being low wing landed on it's wing box. It is the strongest part of an aircraft and absorbs a lot of the impact. The ATR being high wing landed on the fuselage, the weakest part of any aircraft. On top of this weak structure is a very heavy and strong structure. Once the fuselage struck the water, momentum stored in the wing box and attaching parts (engines) wanted too and did carry on by ripping itself from the aircraft. Much the same as you braking and you passenger not having a seatbelt on, they carry on forward. It is a ditching problem for any high wing aircraft that has wing mounted engines. Saying that it does not always work as in the Ethiopian-Airlines 767, but that is the theory of it .
Matt