> Citation needed, Rubyists in particular have been whining (and rightfully so) about MRI's poor concurrency support for the past year or two. That's just one c

> Citation needed, Rubyists in particular have been whining (and rightfully so) about MRI's poor concurrency support for the past year or two. That's just one counterexample. To be fair, there's a huge difference between complaining about an implementation and complaining about the design of a language.