Would have taken only 5000 odd Z9s to do this. This may end in a war which destroys confidence in smaller coins which decided to fork, which probably was the objective.
you mean All equihash coins if they decide to fork as even zooko has now admitted that bitmain probably has had over 50% of the zcash network hashrate for months now, maybe up to 6 months... from his interview with coindesk at consensus