I assume you're being cynical, but there's a lot of truth in what you say: LLMs allow me to build software to fit my architecture and business needs, even if it's not a language I'm familiar with.
I think that’s possible too but the trouble is training them. LLMs are built on decades of human input. A new framework, programming language, database, etc doesn’t have that.
If it knows the language already a new framework is a piece of cake. A few MD files explaining it is enough for the pattern recognition to kick in. I've had one LLM create a novel framework and pass them to another and it's trivial for a fresh instance to pick it up.
With the complexity of modern pipelines, there are very few humans that can beat a good optimizing compiler. Considering that with an LLM you're also bloating limited context with unsemantic instructions I can't see how this is anything but an exercise in failure.