This, and cultural diffusion is a normal part of human society. It has been for countless thousands of years.

I understand why cultural appropriation can be problematic but the fact remains that the usual mode of cultural diffusion has been, “that’s really cool. I wanna have that too”

It’s not a zero sum game because there isn’t some finite limit. By wearing a kimono or whatever you aren’t taking someone else’s right to wear one away from them.

N1 had 30 engines on the first stage

It was partially staged. The main benefit of staging is dropping dry mass during the burn, and the Atlas I dropped engines

Full power 45-70 is extremely punishing to shoot out of a lever action rifle much less a derringer

Many games are trivially easy to pirate and this has been the case for decades. It’s literally as easy as downloading it from Place B.

People still buy the games.

Depends on how good the magic was. If it let you fireball a room full of goblins with a wave of your hand, read minds, lightning people with your fingertips like emperor palpatine, and conjure familiars to do your house work?

All without any manufacturing facilities and minimal capital outlay

I dare say physics would be more popular then