That's basically forking yourself (like btc and bch) because once you inject new knowledge, you create a different person, but you, you still exist as you...Witchcraft!! 😅🙂

But also, on a serious note, you assume that the choices we make are solely (or predominantly) influenced by knowledge, but I doubt it's the case.

How many people knowingly do the wrong thing, for example, sleep with the wrong person, take drugs, drink or smoke too much, eat junk food, etc? There are many more factors, and they might even play a much bigger role in our decision making...

So, would you apply your knowledge? maybe not...

Another way to test this hypothetical scenario is to observe the transmission between parent and child. How much can be attributed to knowledge (nurture)? How much is behavioural patterns (nature), most of which we are even not aware of...