> On the frontend, you have build pipelines, bundlers, CSS frameworks with their own toolchains, progressive web apps, Core Web Vitals, SEO, layout shifts, srcset/responsive images…
LLMs are successful in webdev because of unnecessary frameworks being piled on top of each other more in the name of job security than technical necessity.
You're completely free to write software targeting the browser platform without a framework, build pipeline, and bundler. Those things exist for a reason though and running a large project without them quickly runs into worse problems.