the following article puts it in context a lot better:
<a href="https://www.ft.com/content/7d57b8d8-294e-11e9-a5ab-ff8ef2b976c7" rel="nofollow">https://www.ft.com/content/7d57b8d8-294e-11e9-a5ab-ff8ef2b97...</a><p>"The huge question is what happens if, as many experts suspect, the experiment reveals major vulnerability throughout Japan. Even that shock may not do the trick. There is an awful lot of complacency to shake off and while Japan is far from alone in that, all the top-down, Society 5.0 posturing makes it hard to shift. Even with the government’s pro-IoT drumbeating in the background, said Itsuro Nishimoto, the president of Japanese cyber security group LAC, the business of IoT security is not yet growing in Japan. There remain deep, unresolved questions of whether manufacturers of IoT devices or their users should have responsibility for ensuring security and a nagging concern that the government’s mega-hack will not conjure up an answer."