Is Python's organisation too federated? The BDFL acting too much on good faith?
For Python 3.0, release blocker to remove __cmp__ was forgot and had to be fixed in Python 3.0.1.
There is no quality control of the standard library, lots of modules come from nowhere, does batteries included also mean that random cruft is included as well? Certainly, an even, high standard of the Python library is more important than to include everything.