"but there is no reason that parking has to be within 6 feet of your front door"
It does if the charger is running off your own leccy connection. I doubt very much you'd be happy to let someone call at your door asking to plug their car into your house overnight because they can't find a space to park outside their own house.
So that takes us into the territory of needing public chargers for each overnight parking space.
It's one aspect of an issue that goes to the heart of public vs private provision in transport. If a country's economy depends on people travelling to work then either it needs to make adequate provision for everyone to travel to their work on public transport or it has to accept that those for whom provision isn't made to use such means as works for them. Historically this has meant private vehicles. It will also need to mean carbon-fuelled private vehicles until such time as there's an adequate public charging facility for those who can't make private provision.