Will a Tesla Semi experience the same type of Electrical anomalies that send S3XY models screaming down the road hitting people and objects? Well, all I can say is, if it does, the damage will be significant.
The only Tesla that may not experience this is the cybertruck with its EM shielding exoskeleton.
Tesla has EDR data to back its claim the brakes did not fail in the above video. However, and I'm almost certain Tesla is aware of this, EM induced ECU glitching can cause the car to perform a different action than what the driver tells it to do. The data recorder will only record what the car actually does. Thus you get discrepancy of data and what the Driver claims.