Lorin Hochstein 
In a complex system, there isn’t a “safety” knob that you can just turn to the right to increase safety. Safety features increase complexity (new failure modes!) and have opportunity costs (finite resources!). Every intervention involves a tradeoff.
Colin Watson@norootcause Equally important is to consider removing or changing features to increase safety. Some of these changes might also reduce complexity, so having other benefits. #hazop #hazardidentification