OP,
Your ranting is vey counterproductive. People aren't going to take heed of advice given so aggressively.
Your point is fundementally flawed and there is no conspiracy here
NCT and the manufacturer did the responsible thing and consulted experts to see if this was a freak accident or a fundemental design flaw.
It is entirely possible that something can be used according to manufacturers instructions, and then for tragedies to happen. It happens far more regularly with car seats, but I don't see you ranting and raving about those.
The fact that thousands of these have been sold, and this is the only incident suggests to me it was a freak accident, but that the advice has been changed to be super cautious.
Yes, your counter argument will be 'one death is one too many' but you can't say how many deaths have been prevented by parents having the side half down, so it is a moot point.
Clearly you feel passionately about it but you need also to be a bit more rational about it and accept that accidents happen and not every tragedy can be prevented. I say this as someone who has had a still birth and spent months raking over every single thing i did, ate, drank and touched and wished I'd done things differently. It is natural to want to find someone or something to blame, but that isn't always possible.