Or, we could not speculate on unprovable suppositions.
The kid died. The drug addict parents are responsible.
The drug addict parents had a snake that was not housed properly and kept illegally.
Facts.
Maybe until just weeks prior to this tragic end they had been wonderful drug free parents providing a warm and nurturing environment for the child, going so far as to introduce exotic animals and who knows what other delights to the young human.
Probably not, indeed unlikely, but no more provable than your speculation.
Both have no worth at all.