Of course our thoughts are with the family.
My thoughts are with the nursery workers too though, who may have been negligent but who may have also been caring, dedicated workers who were in the wrong place at the wrong time and now face trial by social media. Children (and adults) can choke even when everything is done perfectly.
No one is criticising the parents, we're just holding off on criticising the nursery staff, because being blamed for the death of a child is no small thing, and not a suitable topic for MN chitchat.
It is correct that there is an investigation, and if anyone was at fault then they should face the consequences of that, but we don't have enough information at this stage from media reports to reach that conclusion.
All we can say at this stage is that it's utterly tragic, and it's correct that a full investigation takes place so that lessons can be learned. And of course that our hearts go out to the parents, who have conducted themselves with dignity.