How the US can be so technologically isolated from the rest of the world? Here in Finland heat pumps are everywhere and 40% of new houses have geothermal heat

How the US can be so technologically isolated from the rest of the world? Here in Finland heat pumps are everywhere and 40% of new houses have geothermal heat pumps (they are like heat pumps, except you bury coils into the ground and they work with good efficiency even in extremely cold weather).