I doubt when Satoshi made Bitcoin, he had the idea of it becoming a speculative asset as of date, and would reach such prices in the next decade. Assuming that the Patoshi did stop at 2010, then we can safely assume that the article is indeed correct in saying that Satoshi only wanted to protect his creation from a 51% attack. Judging from his actions back then, we can assume that he won't release said coins back into the market, which would only lead to a crash and possibly ruin the entire scene. We may say that the price doesn't really matter since BTC is still BTC, but hell, the market right now whether we like it or not is basically still a part of what makes BTC.
Well, hats off to Satoshi Nakamoto for thinking ahead with the possible direction in which Bitcoin could be attacked. I think miners that are "honest" deserve the credit as well to help the 51% attack even more impossible. Anyways, I'm still curious about what Satoshi would do to the remainder BTC that is the byproduct of the mining that Patoshi had done? I hope to receive some of it. Lol.
He'd either just let those coins be lost forever or release them by the end, when volatility comes to a minimum so as to avoid a major change with regards to the market. The latter is kind of unlikely though, since if people were to see his coins moving, they'd probably do something and BTC price would probably rise up again for no reason other than hype.