For information:
So,
At a high level, ABS allows a set of ‘agents’ (pieces of code meant to mimic actual user behavior) to make rational actions against DeFi protocols according to some ‘what-if’ market scenario.
How close this mimicked user behaviour to actual user behaviour?
Each agent acts according to a set of rules to carry out rational (profit-maximizing) actions.
That’s basically XIX century economics. Nobel Prizes have already been given out for debunking the pure rational choice theory:
See also
Robert Shiller