Agree completely.

However, I don't think that's the position being put forward by Abigail-II (it's not how I'm reading it anyway).

The "problem" with flexible architectures is that they are sometimes misapplied to simple problems. Having an infrastructure more complex than the domain requires adds overhead and complexity that causes more problems than it solves.

A three-tier XML/XSL based system is fine and dandy if you need to run a multi-platform, multi-lingual e-commerce system with workflow management and a CMS. You need the infrastructure to separate concerns and make the system comprehensible and maintainable.

If you just need to print "hello world" it's overkill - and carrying around the unnecessary infrastructure overhead makes the code harder to understand and maintain than a simpler system.

Over the last couple of years I've been getting more and more enthusiastic about agile development methodologies like extreme programming - where you only add the infrastructure in at the point when you need it.

As weirdly counterintuitive as this initially seemed, it works amazingly well in my experience. If you keep your code tight and well factored adding the complexity when you need it isn't hard. By avoiding the complexity until you need it you get to work with a smaller and simpler codebase that allows you to develop faster.

In reply to Re^3: Multilevel flexibillity by adrianh
in thread Multilevel flexibillity by zby

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