How do you propose that a truck not driving “at all” manage to drive on the runway? Driving on the runway, (or anywhere) is a subset of driving “at all”. Logically I can conclude that since you think that the trucks should not be driving “at all” due to blind spots, that you also think that they should not be driving on runways because of blind spots.

My argument paraphrased you to highlight a specific situation that would arise as a result of what you argued and to point out the folly of just banning any vehicle with a blind spot from crossing the runway. By extension, that planes can’t cross the runway either (the difference between a fire truck and an airplane crossing the runway is that the plane is larger, with bigger blind spots, less maneuverable, fragile and filled with people).

The solution is not to ban vehicles with blind spots from crossing runways, but to provide tools and guidance for those vehicles to operate safely. You could, for example, provide them with a trained observer in an elevated place that can be responsible for saying whether it is ok to be on the runway. We could give the person coordinating movement in the elevated place tools like radar mapping the ground, or automated semaphore systems at runway crossings (I’m describing things that already exist). Using a system like that we could do things like operate in 0 visibility where the weather causes the blind spot to be anything past the windshield (which is something that happens at JFK for example).