The reason for the sudden hash rate increase is because all ASIC manufacturers are using them to mine first before unloading the used hardware for the public to buy at premium price. I mean ask yourself I you were them wouldn't you do that ?

When they do sell them ASIC miners, it basically means it is no longer profitable for them to mine or the profits margin from mining is getting thinner. like say probably another 3-4 months or so, about the time you will receive your unit if you order now. Ever wonder why it is always pre order and 2-3 months from now.

Manufacturer need money to fund their manufacturing and running cost itself. Seeing is how BCash is part of bitmain they can't possibly sell Bcash to convert into fiat to fund their cost, it would be like the US selling off USD to other countries to pay for the deficit. So they have to use other coin projects like Dash,Monero, Sia coin or any altcoins from the list which has good acceptance and market cap.
Mine Bitcoin--> Sell Bitcoin --> Fund Bcash
Mine Dash --> Sell Dash --> Fund Bcash
Mine Sia --> Sell Sia --> Fund Bcash
Mine Monero --> Sell Monero --> Fund Bcash
E.G. Country A setup a mining company in Country B to mine and then transfer all the wealth and profits from from mining in Country B to Country A.

If there is gold to be mine, no manufacturer is gonna let you be the first to mine it. When the buying stops the supply stops.
