The iPhone is also a vehicle to hook people into the Apple ecosystem, where Services like the App Store bring in 40% of all gross profit with margins of 75%.
In Germany you have very strict laws for construction of water heating. For example the need to install thermostat on any heater even for floor heating. But this implies a lot of complexity for the heat pump installation. Cheap DIY community basically removes all the thermostats and soley controls heating through water temp and flow control to the radiators.
And no Uranium ore does not stem from Russia, they might still produce some of the UF6, but this can be much more easily shifted because unclear fuel cost are only a small fraction of the total cost!