As has been said already, if they can install a charger at their home then go for it (or if they have a garage, they can charge from a 3 pin socket).
Home chargers cost about £750 all in to buy and install (not sure if the grant is still going). Charge times are:
3 pin plug (3kw) : 7-9 miles of range per hour
Home charger and supermarket chargers (7kw) : 15 miles of range per hour.
Rapid chargers (service stations and dotted about) (50kw-150+kw) : 150-500+ miles of range per hour.
With charging, you do not need to stand next to the car while it is charging, you plug it in and go and do something else. Very rarely have I waited in my vehicle while charging. At service stations we grab a coffee (takes about 15-20 minutes to rapid charge) from 'fairly empty' to 'fairly full'. If we're visiting a town a long way away we locate a 7kw charger before we leave. When we get there plug we in and leave it for the day, by the time we want to go home it's fully charged (if it's not, stop at a rapid on the way home). You get used to it. I wouldn't say it's more or less convenient - just different.
I wouldn't worry about battery life, modern vehicles with active battery temperature management have batteries which will outlast the car.
For the record, EV's aren't just moving the pollution to power stations, they are cleaner per mile as they are far more efficient. Even if the grid was burning 100% coal they're still cleaner than a petrol car. As it stands out grid is about 40% renewable and getting cleaner every year.
If it works for you, go for it.