Why does consent matter?

Question

In regards to how a body is used once it is dead, why does consent matter? 
For example: you give consent to donate your organs after death, why is this even a thing? Why should we even get a say in what happens after we die? We're dead. If your organs can save 50 people (or something crazy like that) once you're dead, why should your lack of consent stop those people from living?
Clearly, you can see my opinion on the matter. I think, even if the thought makes us a little uncomfortable, all eligible bodies should be used to save others once the original owner has passed regardless of consent.

Answer

Because, bodily autonomy exists. You have a right to your body and what happens to it, regardless of being alive or dead. You simply cannot take away a person's rights because they're dead. Which is why people make wills to decide how they're buried, if they're an organ donor, etc. Regardless of how you feel, it's not okay to take away someone's rights. 
You can’t be forced to donate blood, tissue, or organs. Even if you are dead. Even if you’d save or improve 20 lives. It’s why someone can’t touch you, have sex with you, or use your body in any way without your continuous consent.

Answer

Because even when dead, a body should be treated with dignity and respect. Although I think organ donation is great, it's weird harvesting organs from a body with prior consent, it's disrespectful.

Answer

It's got to do with respect for the dead and bodily autonomy. It's also perhaps a good way to eliminate issues within families when different people want different things to happen to the body

Answer

If you feel that way, then why bother write Wills? "I mean, we are dead."

It is a dying wish someone made and I feel true to uphold their request.

Answer

Some people have religious beliefs that prohibit the body being taken apart, or that require the body to be buried/prepared a certain way.  While obviously that person is gone and you can argue they would never know (although they might disagree due to their beliefs) not respecting their wishes would be very distressing to the family.  I feel like this right is important, if it is not respected people might not seek medical attention for fear of what might happen to their body.

Answer

It's the same concept as wanting a certain type of burial, etc. because it was your body and its your living wishes how your body will be handled.

Answer

As others have mentioned, it prevents abuse of a dead body.  I am personally an organ donar and want to be cremated, but my hubby (who is Buddhist) wants to be buried with everything intact as he believes if you remove anything from ones body it prevents proper reincarnation and ones soul from moving on.

On top of that, organ donation is not the only way a corpse can be used.  Scientific explorations, student practice, other insidious reasons (people with interest in dead bodies).  These rules are placed to ensure you know how to protect your remains afterwards.

Some people do not care (I guess like yourself) but others care very much.

Answer

Their are laws, to consent of a dead body. A dead body has every right, as a living person does.

Why does consent matter?

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