“Public domain” is a copyright term which isn’t really relevant here. The point the other user is trying to make is that, legally speaking, calling something “private” when it very well may be not private is at best disingenuous and at worst a lawsuit waiting to happen.

Going straight up is actually a really inefficient way to get to orbit(and subsequently the moon) so the flight’s goals are beyond the understanding of modern science

Technically you’re both right as there are no infinitesimals in the real number system, which is also one of the easiest ways to explain why this is true.

Reminder that penguins, along with all other birds, are technically dinosaurs