Damn! can't even leave for a couple of weeks without all Hell breaking loose

Just did the walley upgrade and it seems to work ok on the new fork, but now I see we are "blessed" with yet another Monero knock-off (first sumokoin, now "monero classic"). Am I correct in understanding that these two are both copies with own blockchains, and the next lovechild, monerov, will fork off from the present v.7 blockchain?
Also wondering how the drop in hashrate after the fork is going to affect ability to scale and confirmation times going forward?