People overestimate how much they're being noticed, by roughly double, so that nervous feeling isn't about them being famous. It's just what nerves feel like. Yours are just screaming louder in that moment.
Even in technical or compliance-heavy talks, emotion is what makes ideas stick. That’s why I spend a lot of time helping people nail their introductions. When you hook your audience from the start and set the rules of engagement, everything that follows flows easier.