I found the answer. The problem is that the QtWebKit.framework bundle requires some of these other ones, even though I might not be using them. The only fix would be to acquire the QtWebKit.framework project, remove the QML and Quick dependencies, recompile, swap that framework bundle out of my project after macdeployqt, and then remove the QML and Quick framework bundles.
Long story short, that ain't happening. Not worth my time because it's super difficult.