Apologies, haven't watched the video, but there are some pitfalls when designing around a 'model of the world', especially in OO. I think Wizards and Warriors

Apologies, haven't watched the video, but there are some pitfalls when designing around a 'model of the world', especially in OO. I think Wizards and Warriors by Eric Lippert is a perfect illustration of how our initial assumptions and models aren't often the right ones (although it's not so much about data in this case) https://ericlippert.com/2015/04/27/wizards-and-warriors-part-one/ https://ericlippert.com/2015/04/27/wizards-and-warriors-part...