Asic are really secure and won't affect the bitcoin network but asic can be affected themselves search up Antbleed. A lower hashrate is not a bad thing but it is worrisome to see how much hashrate is from non asic. Remember Bitmain released asic this year they could of been using Asics to mine before that.
I giving them one week and then restudy this issue.
RE: Looking at Monero after its anti asic hardfork