[mihn]

Because most of big and horrendeous systems are written in them. And maintaining such systems is a PITA.

And Ruby/Python are much more productive.

[byoung2]

And Ruby/Python are much more productive

Languages themselves are not productive. You could make the argument that they allow developers to be more productive. Although a talented PHP developer with years of experience could be much more productive than a novice Ruby/Python developer.

[shire]

What languages are you more productive with?

[claudiug]

the one that you know better.