Why does charging an EV have to be such a complicated process?

I have just bought a 2017 Nissan Leaf with a 30kW battery. I have been looking at recharging points across the country and in France but am now very confused about the networks, connectors, charges etc,...

How do you charge an electric or hybrid vehicle if you can't park outside your house?

Millions of owners of houses and flats are not able to park their cars outside their property. So how do they charge their electric cars? No article ever seems to answer this problem.