I totally agree that software development is somewhat non-trivial. I'm not saying that small programs would solve all problems you might face. Would you system be more maintainable? I think yes.

> Getting the sweet spot between monolithic coupled blobs and fragmented latent deathtraps is an art which can't be puked out in a blog post. It takes literally years of experience and some guesswork and testing and thinking.

I agree in the blog post, proper decomposition is the key if you want to write a good systems, and to be honest is really hard to achieve.