Therefore, i think Satoshi prefered to sacrifice those premined coins for the sake of a better distribution of coins.
I think he did not think it would make such a big splash.... When he realised it, he already lost the private key to the coins he mined as part of the experimental in the beginning.
Satoshi had much bigger plans for BTC and he will never touch these coins. it is very likely that he destroyed his private keys in my opinion.
If satoshi really had decided to sacrifice or destroy his coins, he would have done so publicly by spending them to a black-hole address.
He did not. Which only leaves us with two options, either he wants to keep them for whatever reason or he really lost the private keys (which I personally doubt).
Satoshi kept his anonymity in mind too much to have likely made a mistake that resulted in him destroying his keys. I would be personally surprised if he still doesn't have at least three copies of his private keys in his control currently.
The fact is that Satoshi wants to keep his identity secret and spending his coins would most likely cause his identity to leak. This is especially true in regards to the earliest coins that he mined, he might be able to sell some of his later coins and only raise a few eyebrows but have nothing concrete about the coins being from satoshi.
Also if satoshi were to start selling his coins, it would likely cause a massive drop in the price of bitcoin because people might assume that he will sell a large portion of his coins at once. Even if he were to get the market to believe that he will only sell a small portion of his bitcoin at a time, it would still be a large amount of additional supply that the market might not be able to handle. I might predict that satoshi would decide to start selling some of his coins after the next few block reward halvings when little additional supply enters into the market from the miners.
