[Areading314]

This is especially true when writing code that needs to run on many cores -- Python starts getting really cumbersome in this case, which can be avoided using the relatively elegant threading models in alternative languages.

[jashmatthews]

Task based parallelism for a web server or background job server is really easy and that's 99% of the cases covered. Problems which _need_ full multi-threading with shared mutable state are actually pretty rare.

[Areading314]

Agreed -- but they do happen!