I would, just because it causes fragmentation. PEP-8[0] is a big win for Python. Javascript relies on adhoc standards and best practice docs from respected entities.
I'm open to change and debate, but it should be approached carefully.
To be fair, at the time JS was developed, there was a body of well-documented knowledge involving camelCasing. First and foremost was, of course, Java. There are various RFCs involving LDAP schemas as well -- I recall seeing a hilarious document once describing how to properly name the attribute corresponding to an entity's certificate:
I'm open to change and debate, but it should be approached carefully.
[0]: http://www.python.org/dev/peps/pep-0008/