They were not careless or incompetent in letting old people die. In the end, I believe it will be revealed that actual murder on a mass scale was carried out.
Spock has told me about real conspiracies to kill the elder quickly. He did a mind meld with a Romulan while she was sleeping:
...what I don't understand Doc, is that most of these people were going to die shortly anyway, so why all the drama...
...I do understand why the Dark State wants the youngsters health put into jeopardy, because that is where the breeding population exists...
They were not careless or incompetent in letting old people die. In the end, I believe it will be revealed that actual murder on a mass scale was carried out.
Spock has told me about real conspiracies to kill the elder quickly. He did a mind meld with a Romulan while she was sleeping:
https://3.bp.blogspot.com/-OtrPYxFLG3Q/UdULM6ihccI/AAAAAAAABdI/Cq_dPiv92T0/s450/look-alike_6-obama-romullan.jpg
He's a cheeky devil: https://i.pinimg.com/originals/cd/e7/4e/cde74e2c6dfcdc578898351acdfd07db.gif
u/#howl