> Sometimes, I get the feeling that articles in this vein are just as much about convincing the authors that they made the right choice as it is convincing anyone else. But it's not really that important, since I don't really feel you actually need to convince much of anyone, if you like your decision.

They don't need to convince us random HN readers, that's true.

But they do need to convince new hires, potential clients, and internal stakeholders that Rails is still the right choice. If you've ever worked on a large Rails SaaS app you know this subject comes up a lot.

Now when the subject comes up they can just send folks a link to the blog post, it's very convenient to have around for this purpose.