Originally Posted by
ComputerNerd
Blizzard have tried to improve the mechanics, but they simply will not work for everyone.
Not everyone is going to see a spell effect as well as another player, nor will some people respond so well to a sound.
The visibility in particular is going to vary hugely based on the hardware and therefore graphics settings a player is using.
If a boss mod is simply replacing that, then that is a long way from "playing the game for you".
Which is simply an ignorant claim.
The default UI simply falls short in a lot of cases, particularly with timers for cooldowns and durations.