That's a really kind and smart maid, it was a great thing that she killed the brother instead of MC because yea killing a family member no matter how shit will still leave a scar to some degree in your heart so now thx to her doing that we don't have to deal with the drama of MC killing her brother
Also its quite sad as the reasoning for the brother hating MC, basically just because mother hates MC so does he, that in a way makes him a sheep, someone that did not think to themselves and doesn't even try to resist mother makes him no better then a slave of mother
