Okay, well, I didn't get most of that, and I'm not comfortable with RCT, but... they would just explain everything that's learned or constructed as a "constraint" or whatever, something that shapes how you view what is rational, and nevertheless you're still acting according to what you see as the proper course of action for you in this moment of time.

Really, though, I've spent more time decrying realism and I've used them interchangeably. And not been aware of "expressive" rationality when I've disagreed with RCT's more instrumental features.