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The Billion-Dollar Mirage of the AI Coding Demo
Brent Kastner10 min read·Just now--
Why AI marketing is selling a “replacement” narrative that the technology can’t actually deliver.
I’ve watched more than my share of AI vibe-coding demos.
The structure is ritualistic in its consistency: a demo-architect types a few sentences of plain English and code cascades down the screen in real time. A working application appears complete, styled, functional. The audience gasps. The presenter smiles. You are already behind, doomed, your children will starve if you aren’t doing THIS RIGHT NOW!
But notice what’s missing from every single one of these demos: there is no struggle. There’s no moment where someone stares at a whiteboard trying to understand context and use cases. No conversation with a frustrated user who can’t articulate what they actually need. No hours long debugging session that reveals a fundamental misunderstanding in the requirements. No architectural argument between two experienced engineers who passionately disagree about the correct approach based on their experience.
The demo doesn’t just omit these things. It argues against their existence. The implicit message, and very often explicit, is: all of that is waste. All of that is friction. All of that human messiness was the problem, and we have solved it.
