TFA was pretty clear that this is an example which illustrates common issues in enterprise security. It even provides a handy table to map the similar patterns between this toy and a network appliance. No one’s arguing for stronger security in children’s toys, here.
The author is:
> And here we have seen a few decisions that are really bad and, moreover, completely compromises the recurring sales business model of a large publishing group.
They're actually complaining the toy is bad and should've been more secure.