The inverted pyramid method seeks max efficiency under the condition of not knowing how long your audience is going to stick around. That's why it's so promine

The inverted pyramid method seeks max efficiency under the condition of not knowing how long your audience is going to stick around. That's why it's so prominent in journalism - you never know when the reader might just move on, so get the important parts out first. Outside of that condition, its efficiency breaks down and you'd be better off structuring a presentation within the allotted time. And if that's the kind of relationship you have with your coworkers, someone's probably being overpaid.