There's a non-inconsequential number of people who don't.
http://emtlife.com/threads/do-you-wear-your-seatbelt-in-back.5440/
http://emtlife.com/threads/be-honest-do-you-wear-your-seat-belt-in-the-back-of-the-ambulance.30686/
http://emtlife.com/threads/seatbelts-in-the-back.12577/
...and then there's the fact that some people actually do use the rear view mirror when driving.
I also used a seat belt in the back back when I actually worked on an ambulance.
It's very common in hospitals for DNRs to be rescinded during surgeries or major procedures. My hospital even includes a yes/no checkbox to cover those situations on the in-hospital DNRs.
What sort of "much worse things"?
If they refuse, then they can refuse. A psych hold is not actually carte blanche to do as you please. However, I wouldn't assume that the patient refuses just because they're on a hold, nor will I automatically assume that the patient is a threat because...
I'm, to a point, surprised that there hasn't been a lawsuit over this. It's hard, in my mind, to justify that every patient on a hold necessitates restraints, and this does strike as "unnecessary" and/or "excessive."
If a hospital is routinely denying a psych patient the right to wear their own clothing without good cause then they're at a big risk for a civil rights lawsuit under California Law.
"LPS – Patients Rights Subject to Denial
Psychiatric facilities must also uphold the following specific legal...
It makes it harder to read, which is the entire point of written communication. Seriously, people do read EMS (and nursing, I swear, there has to be an entire class for nurses titled "Caps lock and you" and it's consists of logging on and immediately toggling caps lock before documenting)...
I wonder if part of the problem is asking for the treatment. Granted, with an active research project ongoing, more people would know about it, but I imagine if I was in the middle of resuscitating a septic patient and called for Narcan, that I would get looked at like I had two heads.
That study isn't worth the paper it's written on. After all, anyone who knows anything about homeopathy knows that they used too many other studies in their meta analysis.