[visarga]

IIT is missing the self-replication requirement. If a system is a self-replicator, it needs resources and has to avoid dangers. This in turn creates a necessity for perception and ability to select good actions depending on situation. A square grid of XOR gates has none of that.

[goldenkey]

What you mentioned is part of evolution's natural selection through selective pressures. But it isn't precluded that an AI could be created with none of these biological hallmarks of past evolution.