it is unethical and I wont use it but I consider Claymore's 1% fee to be also unethical.
Why if it is faster than any other miner? IDK how much money Claymores do from this stuff, and it is over the top, lets say 100-200K$/month then of course fee could be altered to 0,5/1% or 0,75/1,5% but still, just business in money world, if you are better then charge for it

His ZEC miner is faster than its competitors but his ETH miner is the exact same speed as the stock ethminer released by genoil which has no fee.
The fee we are paying is for the simplicity of the watchdog, the manager, and the dual mining functionality.
Before Claymore we had to use the stock ethminer program and it was a pain. Whenever the DAG changed all the rigs froze and crashed and you had to manually reboot the system.