Right, that’s the problem: for most people this works, but those it doesn’t work for, it can really fuck up. So what this amounts to in expected utility is you need guardrails before forcing things this way.
Fears are further reinforced if, when you trip over your words and get all anxious, your audience laughs at you rather than with you.
And think of your whole education hinged on a presentation in front teachers and pupils.
Nightmare fuel for many
Speaking to the entire company gets me nervous, but strangely not as much as other things, I think because I have to be delivering a presentation there's less time to spin in a loop worrying.