It’s not nearly easy enough for a developer interested in learning Rails to find their way through decades of often outdated books, blog posts, and screencasts, connect with others learning at the same time, make the case to coworkers or bosses why Rails is the right choice, or meet up with fellow practitioners at events solely dedicated to Rails.
All they need to do is replicate/update all the material I covered in my Best Way To Learn Ruby & Rails post 