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No video shows a wheel melting in one second.
The ones that show a house being targeted show the beam static for about 30 seconds over a vent pipe.
I don’t think I’ve seen one where they target a wheel.
Welding with 050 wire progresses about 8 seconds per inch more or less. It depends on the thickness of the work mostly.
How does a plane hold a beam for 30 seconds? Planes don't hover. Also that's 83 hours to destroy 10,000 homes. Too long to be feasible.
If the beam is wide enough to melt more than one wheel at once pthen they would need much more than that 2.5MW generator, beyond the payload capacity of any airplane.
Your welding rig appies current directly to the metal. The DEW requires RF or high frequencies like x-rays to transfer the energy and I assumed no losses. Welding hs no losses. Beams have losses.