True Left

In Mallett's own case, I would say he is primarily motivated by nostalgia. What we might think about the content of his nostalgia is a separate issue. The main problem is not that he himself wants to travel back in time, but that he wants to do so by inventing a machine that would also enable potentially anyone else (hence including those who desire to do time exploration) to travel in time also. This applies to machines in general: once invented, potentially anyone can use it, frequently for objectives we never imagined. So it is not time travel we are against, but time travel machines.

That is a fair enough distinction.

Note also about time travel: Isn't it funny how many Westerners use the "We could stop Hitler from being born" statement when speaking of time-travel?

Ironically, a common trope is that removing Hitler makes the timeline worse, and the "heroes" have to go back further in time to prevent themselves from killing him in order to undo all the chaos...

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On a different note, Western Civilization has figured out how to brainwash individuals before they're even born:

As a newborn mammal opens its eyes for the first time, it can already make visual sense of the world around it. But how does this happen before they have experienced sight?

A new Yale study suggests that, in a sense, mammals dream about the world they are about to experience before they are even born.
[...]
“This early dream-like activity makes evolutionary sense because it allows a mouse to anticipate what it will experience after opening its eyes, and be prepared to respond immediately to environmental threats,” Crair noted.

Going further, the Yale team also investigated the cells and circuits responsible for propagating the retinal waves that mimic forward motion in neonatal mice. They found that blocking the function of starburst amacrine cells, which are cells in the retina that release neurotransmitters, prevents the waves from flowing in the direction that mimics forward motion. This in turn impairs the development of the mouse’s ability to respond to visual motion after birth.
[...]
“These brain circuits are self-organized at birth and some of the early teaching is already done,” Crair said. “It’s like dreaming about what you are going to see before you even open your eyes.”

https://news.yale.edu/2021/07/22/eyes-wide-shut-how-newborn-mammals-dream-world-theyre-entering

This experiment was done on newborn mice, but it opens the door for attempting similar torture being done before they are born.