So because a Twitter is single purpose its bad? If the twitter account followed two peoples private jets would that be enough? Or does it need to be a whole sale repost of the entire flight tracking feed? Can the person parse ANY flight data from this type of a Twitter account? Where do you draw your arbitrary line here?
This entire premise is so very weak to me. Elon is famous and a public figure and it's his own choice that people have as much interest in him as they do. He does everything he can to be in the public eye. There are tons of plane tracking accounts or applications. There is even one that tracks AF1 which carries one of the most powerful and important people in the world.
And this isn't a location tracker. This account doesn't follow Elon around and Tweet where he's headed once he lands, how long he might be staying, where he went for lunch, etc. And Elon can use completely legal methods to reduce how much of this information is publicly available.
> Just because you can publish information like this doesn't mean it's ethical
And just because some actions MIGHT have negative outcomes doesn't mean they are unethical.
Elon has all the tools to avoid being tracked by a random flight tracking service. If he doesn't use those tools then he doesn't care that much about his privacy. He posts images of him sleeping in the Twitter HQ, which has a publicly listed address. We aren't talking about some powerless individual who is having big companies abuse their privacy.