In Lin Yue's view, currently the Survivors have very limited choices in terms of their means of generating electricity.
Gasoline, diesel, wind, and photovoltaic; beyond that, there's really nothing.
Aside from obtaining them from treasure chests, the most one could find would probably be a gasoline or diesel generator. And the gasoline and diesel these require can only be obtained via treasure chests in this Otherworld; those on Earth have long expired and probably can't be used anymore.
Wind power is tricky to set up; it's only possible if you have the technology. Photovoltaic also requires luck in finding solar panels for further operation space.
Not to mention, the drop rate of treasure chests is so touching, etc.
So, this is the fundamental reason why the Survivors couldn't enter the electrical age within this month.
But he is different.