She chopped and changed so that things would be believable and she wouldn’t get caught. She literally basically instantly killed baby A, how many times could she do that even with many differing people on shift? She chopped and changed in order to play on conditions babies had. And I expect because she was having fun.
So you put more weight on how they interpreted the insulin than the actual results that show somebody was poisoned?
Her actions weren’t exactly missed though were they? You’ve heard that by baby D, Dr B was actively trying to establish what had been happening and actively tried to engage with management about the correlation of Letby being around all these babies which was noticed by a colleague from Liverpool women’s. His concerns were repeatedly dismissed even after the deaths of two healthy triplets, the second of which had had absolutely every thing scrutinised and monitored after the sudden death of his brother. And yes you’re right, they had all those concerns before even realising somebody had been poisoning babies with insulin.
What do you think caught Beverley Allitt out on the insulin charges she faced, that is different to what is catching Letby out? All Shipman’s deaths of old ladies at home when he was there were treated as non suspicious by huge amounts of people for years. Although many had an inclining and it was practically a joke, so many of these killers even have nicknames related to how much death seems to surround them! Cullen’s victims were accepted natural deaths until people persistently said it was poisoning. Even in The Nurse, the doctor was more ready to accept that a man had committed suicide by raiding the drugs cabinet at the hospital than accept a nurse had given a lethal dose of non prescribed diazepam.