A woman took legal action against the protestors. In her action she called on an ENT. The ENT make the statements I outlined above under oath.
Search for it if you actually care. Again, I'm not wasting my time because nothing is ever good enough for the people who align ideologically with the convoy. The dismissiveness, what aboutisms, and misdirection that follow are never worth the effort.
Yet you imply that others should do exactly that in order to take seriously your insinuation that actual bodily harm was incurred. If you have proof that someone was physically damaged by the blowing of the truck horns then it will a simple thing for you supply this information of which you have implied you are the possessor.
If you do not have it and have never had it then you could also help by just stating that, so that no one wastes their time.
If you have some evidence that it’s safe to listen to sound levels above 90dB for extended periods of time, I’d recommend you publish it.