I do wonder if those times will not also be over soon, for sure the market is not mature enough, not at all as we look as today's drop and the swings in the last weeks but in the long run seems to me like it will turn into the same thing as gold, and days of wild trading back in forth 10% would be a thing of the past
I don't see people turning machines on and off every week, to the point of influencing the hash by 5% (up or down).
Mikey did the probabilities a few pages back, things do happen otherwise you would have days with 144,143,143,142,141 blocks and so on as people are adding more gear and block finding is the perfect reflection of added hashrate!
Just like this current stats:
Current Pace: 93.9928% (183 / 194.70 expected, 11.7 behind)
doesn't mean that suddenly ~500k S19 are offline!
We had a - 3.90 % then a + 7.33 % , now a - 2.90 % and a + 5.79 %.
Once you break them in months average and not two weeks periods it stops being that amazing.