The same argument was used a long time ago to say there would never be a nationwide infrastructure of gasoline stations. That was insane; there were only a handfull of stations in Philadelphia at the time. How could you possibly have such stations in Paduca, Texas or Fairbanks, Alaska? Poppycock!
Of course, just like now, it will take years for the numbers of vehicles on the roads to come up, and in those years, more and more charging stations will come on line (for long distance travel, parking while at your destination, like the mall or movie theatre, or even work). At home combination of natural gas, nuclear, wind, solar, and tidal will provide power to charge the plugged in vehicles at home. While I would personally like to see space based solar (see The High Frontier) the rest will work. As long as you don't let the Texas state government or Texas-based business be in control of the grid.
The problems are not insurmountable. They only look that way, like the gas station, pumping, refining, transport, and storage problems looked insanely complicated and insurmountable in the past. With apologies to Georgie Patton, "If mountain ranges and oceans can be overcome, these infrastructure problems will be overcome."
And even before the whole petroleum thing, don't forge there were tons of folks who derided steam power as incredibly dangerous, etc... (with the same infrastructure issues mentioned) but added into the bargain that "the human body cannot withstand more than 30 MPH!" I die routinely, every single day. lol
And now, more shockwaves