> That wouldn't be the right calculation. If a person has children, their children will contribute to future GDP
I think you're taking that in the wrong direction. The op was suggesting that the primary reason people work hard and create wealth is because they want to leave money for their children after they're dead, and that a redistributive estate tax would prevent that. Essentially: people are primarily motivated to create because of their children.
> The op was suggesting that the primary reason people work hard and create wealth is because they want to leave money for their children after they're dead
No, I was not. I was saying that that is one of the main reasons, not the main reason.
I think you're taking that in the wrong direction. The op was suggesting that the primary reason people work hard and create wealth is because they want to leave money for their children after they're dead, and that a redistributive estate tax would prevent that. Essentially: people are primarily motivated to create because of their children.