You can already buy those for a few hundred yen. They just are really niche since normally microwaves are available or hot water is.

Japan in japan sabotages cars. The real issue is that Japan went deep on hydrogen power combined with the large increase in electric prices after 3/11 any future of electric car died for the Japanese domestic market. Toyota in particular put its money in hydrogen buses, cars and other things which lead to a galaoagos tech like half of the rest of the crap in japan. Theres also some general resistance to electric over the past decade to create a parallel technology stack to china which fizzled out.

No they are doing exactly what they promised.

This is also exactly the way someone who speaks japanese natively would talk in english as it’s a direct translation.