That's not a requirement of anonymous callbacks. That's just a symptom of poor coding standards. It can happen in Python too.

And yet the two go hand in hand. Have never seen it in Python, though have never used twisted either.

> And yet the two go hand in hand.

It's a tool that can be abused. Saying that the number of tools available should be limited so that they can't be abused seems counter-productive.

The trend toward limiting ultimately counter-productive language flexibility is getting stronger, not weakening.

See static typing, golang, and functional languages.