Bitmain is not only the producer of those mining ASICs, it also controls a huge share of the mining power itself. If it really can kill a large fraction of the

Bitmain is not only the producer of those mining ASICs, it also controls a huge share of the mining power itself. If it really can kill a large fraction of the remaining hash power it is quite likely they would control over 50% themselves. That is scary! Especially as they are known to act maliciously in other situations and are opposing the remaining part of the community in the Segwit vs Bitcoin Unlimited debate.