The whole thing about Roguelikes and what makes the good one appeals to me is that they represent very intricate systems that follow a nonetheless completely coherent and cohesive system of mechanics.

They follow rules.  Very complex rules that, in a good roguelike, are fun to figure out in the same sort of way taking an electronic device to bits to reverse engineer it is.  But rules.

Take that away, and it's no longer a roguelike.