[Reeses]

What he missed is that the particle IS the pilot wave. It just has a standing wave at its center that appears to us as a particle.

The evidence is collecting that waves are physically real things, but what the wave medium is is anybody's guess. If there's an edge to the wave medium, any waves hitting it should bounce back like hitting a mirror.

[linear]

A wave is a shape in this context, not a thing. The surfing idiom refers to particles following a wave-shaped probability curve, in essence being “pushed” or floating upon the laws of probability.