[vidarh]

> It is better to focus on rails and fixing rails

For many of us "fixing Rails" is easiest achieved by starting from scratch.

> and still offering much smaller set of functionality.

... and that is why I prefer Sinatra to Rails.

[dragonwriter]

> For many of us "fixing Rails" is easiest achieved by starting from scratch.

See, e.g., the road to Rails 3 through Merb.