Because we took a platform for linked documents and grew it into a platform for applications. If the web were still documents, or if it started as a platform fo

Because we took a platform for linked documents and grew it into a platform for applications. If the web were still documents, or if it started as a platform for applications, then it wouldn't be as complex. Another reason is that the languages and tooling to do these things are always easy to start and painful to master, leading to too many sort-of capable people dreaming about how to do it better.