[styluss]

can you explain a bit what you mean with

> - Lack of dependency injection/inversion of control. I find it interesting the author lists this as an advantage. With Rails, I was always a little anxious not knowing where things were defined or being implemented.

Rails itself doesn´t have framework/library for DI/IOC but you can use constructors, I understand that a lot of Rails devs won't and just use wtv they need.