I worked as a Rails developer at ThoughtWorks for three years, from 2008 to 2011, on three different projects, including the one they called "the largest Rails project in the world" at the time. [1] I didn't see any of the toxic behavior Zed recounts. Rather, I got to work with some of the best developers -- and smartest people -- I've ever met, and had a lot of fun while leveling up my career.

[1] https://conferences.oreilly.com/rails2009/public/schedule/de...