“Scrutiny of another” who’s a peer or even a client is super different from an interview.
The latter has more in common with an open mic night, the prospect of which the vast majority of people are terrified and would break down if they attempted it.
My first attempts at public speaking were a frozen horror. But I kept doing it, and it kept getting easier and easier.
I recommend that when there's an opportunity to get up in front of a mike, take it, and get comfortable with it. It's a skill that will serve you well.
The latter has more in common with an open mic night, the prospect of which the vast majority of people are terrified and would break down if they attempted it.