Hum, nothing. Those people expect a quick answer just because they want it. If it had real costs, you wouldn't be complaining.
> How likely are we to learn something that will change our approach?
If you learned something useful about the thing you are working on from the interaction, you wouldn't be complaining.
> How likely are external forces to change our approach?
If the conversation changed the entire thing you were working on (aka: we are canceling your project, you are supposed to do some Y now), you wouldn't be complaining.
If those messages didn't fail all the tests for when latency is important, you wouldn't be complaining about them. That validates the article, instead of detracting form it.
> How much does delay cost?
Hum, nothing. Those people expect a quick answer just because they want it. If it had real costs, you wouldn't be complaining.
> How likely are we to learn something that will change our approach?
If you learned something useful about the thing you are working on from the interaction, you wouldn't be complaining.
> How likely are external forces to change our approach?
If the conversation changed the entire thing you were working on (aka: we are canceling your project, you are supposed to do some Y now), you wouldn't be complaining.
If those messages didn't fail all the tests for when latency is important, you wouldn't be complaining about them. That validates the article, instead of detracting form it.