I am an old school COBOL programmer. Not only did I pick up an OO language in a fortnight but the project manager remembered me from sixteen years earlier when he was a trainee (in the same company, it values its employees but buys in freelancers like me as and when it needs them) . I was also the one who did a full hierarchic expansion of their OO login and found out why it was taking ten times longer than it should have. Languages are not important - understanding what they di is.

They already did in a Fred Saberhagen's Berserker Short Story "Smasher"

The reason was to have your whip in your right hand and towards the middle of the road so you could make your carriage/cart horse move to the side of the road to avoid oncoming vehicles. The driving on the right was introduced by Napoleon as an exercise in personal power - Look when I say jump people say how high.