Hey John,
Given that the HTTP requests for push queues exist only within our secured infrastructure and aren't exposed to anything but the endpoint which receives them, there's no need to worry about eavesdropping attacks which motivate the existence of SSL and HTTPS. When it comes to using the Task Queues REST API, this is protected by HTTPS and OAuth2.0, so again there should be no cause for concern.
If you'd like, for any reason, to suggest a feature request on the platform, feel free to lodge these in the
App Engine Public Issue Tracker or the
Cloud Platform Public Issue Tracker. Those issue trackers are triaged regularly and you should see a response relatively quickly.
Best wishes,
Nick
Cloud Platform Community Support