Texas law is quite open to interpretation. Reckless driving is defined as "a person commits an offense if the person drives a vehicle in wilful or wanton disregard for the safety of persons or property." [1]

Driving at that distance is wanton disregard for the safety of the persons in the bus, but that's open to interpretation of the officer at the scene.

[1] https://codes.findlaw.com/tx/transportation-code/transp-sect...

I'm just serving your point by quibbling about the law. The driver's intent is quite clear. Intimidating people because you disagree with them is unacceptable behavior. In this case, I suspect it's also illegal.

The suv merging into the truck also is showing wanton disregard for the safety of persons or property too

I don't know the local laws, but isn't there a minimal distance between cars in the runway? The truck was too close to the bus.

Tailgating is a thing, but so is not merging when unsafe to merge as well as splitting lanes is a thing you should not do (motorcycles excepted in some states).

I agree. It would be nice to see a 3D reconstruction of the whole event from above.

>motorcycles excepted in some state

Only california, fwiw.