I'm not sure why you are in favor of the government taking away our basic freedoms, but I do not agree with you, sir. If you want to live in a fascist country, you are more than welcome to move to one. :)
So by the time a law passes that forbids non-autonomous driving, it won't be a "fascist government" but your own countrymen who will take your "basic freedom" away.
But don't worry, I was using the "you" figuratively, by the time this happens, I don't think any of us will be alive. And, of course, there is always the off-chance that someone codifies in the constitution the right to drive a car, assuring that future generations have the freedom to kill themselves in the roads as we proudly do today.
The roads will just be for hobbyists who like to drive their own cars (and write their own code,) and probably transportation of heavy materials.