Given that the probabilities don't change, it wouldn't make sense to invest/divest on winning/losing streaks. That's investors fallacy.
Unless for example the hash distribution is not random, or the server seed is not safe.
As pointed out before, when nakowa is betting, there is a lot of moves, and profit get easily + 10 k or - 6k within hours.
At the end of the day, it
always end up with a large negative profit.
Some people says that nakowa got 3 or 4 times the website bankroll and can take a lot of losses ...
So it makes sense to divest when he is loosing a lot, and invest at the end of the period, or when he got lucky.
As I said, you can make up to 30 % profit daily with that, with only investing and divesting once (at the correct time).