And I remain confused by your confusion. If A then B() Versus B() Somewhere there’s a B without the associated query. Call it what you want, at the bottom o

And I remain confused by your confusion. If A then B() Versus B() Somewhere there’s a B without the associated query. Call it what you want, at the bottom of the tree two roads diverge. Otherwise there is no Separation in your CQS. ETA: once you get down to the mutation point you aren’t just dealing with immutable data. You’re moving things around, often plural.