1 - Charging
How do you fill the fuel tank of your ICE car? If, like me, you wait until there is about 1/8 left then fill up with as much juice as will fit, as this reduces the number of times you have to visit the filling station.
The current mindset for charging follows similar lines. However if there were multiple, lower power, charging points at supermarket/public car parks you could add, say, 30 miles to your range while shopping.
The charging infrastructure needs to be thought out. Charging points built into street lights, parking meters, etc. If you visit the Calvados region in France you are no more that 15km from a public charging point and I believe that there are streets in Paris with multiple charging points.
The method of payment needs to be unified. If you use a Shell filling station you don't use a Shell card/app which is different from the supermarket card/app. A credit/debit card is all you need to use the "liquid" charging points.
2 - EV Battery Life
Although the batteries on mobile phones are superficially like those in an EV, the battery management system (BMS) is less sophisticated. If you never let your phone battery fully discharge and never fully charge it (i.e. keep it in the range 20% - 80%) it will have a much longer life.
The current estimates for EV battery life is now something like 200,000 - 300,000 miles before major degradation. Nissan have planned to use old batteries for static applications (think Tesla Power-wall) but they haven't got enough used batteries yet.
Tesla owners have noticed that the charging rate is reduced with frequent use of superchargers as the BMS is protecting the life of the battery
3 - Power Supply
The grid doesn't struggle during the adverts on Coronation Street when everyone switches their kettle on as it's an expected surge.
If everyone switched to EVs there wouldn't be the huge electricity requirement for the oil refineries to extract petrol from crude oil.
The cost of generating electricity from renewable sources is dropping quite rapidly now. We just need developers to incorporate it into new builds, rather than tack it on as an afterthought. See what's happening in the Orkney islands.