I'm sure that when you're trying to engineer a participant in a complex system, factoring in your own impact on that system and how it might come back to affect

I'm sure that when you're trying to engineer a participant in a complex system, factoring in your own impact on that system and how it might come back to affect you is as simple as it sounds. I mean, it's not like self-reference is the generator of intractable complexity in every situation it is found, right?