quantum mechanics

A radio photon can be miles long. Isn't that a bit of a stretch for a 'quantum particle' ? How is a mile long radio photon a quantum particle, given that quantum physics describe how the universe works at incredibly small scales ? I mean this radio particle is way way bigger than an anaconda...

Our concept of electrons and their use in theories of physics is outdated, inaccurate and inadequate to explain in terms of our present knowledge and technology. It needs to be revamped. Even the most modern interpretation of quantum mechanics namely the hard interpretation of quantum mechanics...