Because people are writing applications, not forms. As software engineering has gotten easier, customers have demanded more complicated applications. Modest S

Because people are writing applications, not forms. As software engineering has gotten easier, customers have demanded more complicated applications. Modest SPAs do have a lot of code. So does a C++ Win32 application that calls into some central datastore. The complexity is not a byproduct of languages or libraries, but rather the customer's complicated needs.