What do you think "most Americans" relationship with the police is? Speaking for myself, I don't really have one, but all my encounters with the police have been professional and respectful.
Even with family as law enforcement, I've never trusted police. As a vet I'm disgusted by their lack of training and quickness to shoot first and ask questions later. Last I checked the average is 32 dogs shot by US cops a day. I don't even need to delve into the refusal to wear body cams, race issues, etc. etc. American police have not given Americans any reason to assume they are ever on the same side.
Eighteen year old infantrymen, who have an infinitely greater chance of danger, have more resolve and professionalism than American cops. I'd trust that 18 year old ground pounder over a cop any day over any thing.
An idiot with authority is a bad time for everyone.
You tell me how many dogs, blacks, children, wtf-ever. is required before it's OK to 1) Earnestly hold police and the system accountable and 2) To have a healthy wariness, if not outright distrust, of cops and LEOs in general.
Seems to me like we've passed those thresholds and then-some a while ago.