Artifact or not, it's still something one must maintain. Not checking for errors is not a bug, it is you choosing to not support a fringe group of users because

Artifact or not, it's still something one must maintain. Not checking for errors is not a bug, it is you choosing to not support a fringe group of users because it is worth your time and effort. You can call it whatever you like, but that is the reality of the situation. There are tradeoffs to be made and code to be maintained.