So from what I can tell this doesn't work.

Example:

acl.all().grant_read().revoke_write()

None of the grant methods return an object to chain to.
See: https://github.com/GoogleCloudPlatform/google-cloud-python/blob/486163e5378897961bc3cf367062c8b10cf7ce3e/storage/google/cloud/storage/acl.py#L148-L170

Should I just take this out of the docs?