Specifically, it's because she has gas stove autism for cooking with a wok and wouldn't settle for appartments with electric stoves (which as a bit of an induction stove sperg myself, kinda hurt to hear)
TBH the fact that you can still find appartments in Tokyo connected to the gas grid in the first place surprised me, I thought Japan was a pioneer in switching to electricity for heating and cooking, just from the seismic risk to the gas mains alone. Plus the fact that importing LNG is expensive AF for them.