This hit different because I'm currently living this exact tension. I'm a writer trying to build an audience, which means I'm supposed to be 'authentic' and 'relatable' to get people invested in my work. So I share personal essays, stories about my anxiety, struggles with relationships - real stuff. And it works! People engage with vulnerability.
But here's what nobody talks about: vulnerability is exhausting when it's your business model. Last month I had a rough week and didn't want to process it publicly, didn't want to turn my pain into content. But there's this voice in my head saying 'your audience wants this from you, they signed up for real you.' Except real me sometimes needs privacy. Real me doesn't want to monetize every difficult emotion.
I think your staged-actor metaphor is perfect, and I don't see a clean exit either. What I'm learning is that you have to be deliberately strategic about your boundaries. Not in a performative way, but actually - choosing what's yours and what's for public consumption. Some writers I admire just don't post about their personal lives anymore. They switched to talking only about craft. The curation is obvious, but they seem happier. Maybe that's the trade-off: you can't escape performance, but you can shrink the theater.