BTC vs BCH / Decrease of Hashrate affects the best setting of mining pool?

Yesterday, many of the miner moved hashrate BTC to BCH.

And suddenly Slush pool payout went down to 5th place, the worst setting of mining pool. Looks like the miners of another pool moved to BCH than Slush pool.

Now let's see what's gonna happen today's payout!

【Best Mining Pool Settings for Hashflare (updated daily)】 https://docs.google.com/spreadsheets/d/15W5EuyMo7zO4SxysxmRUp3NT7nKoyyI99rZAeRBKbyY/edit?usp=sharing