I don't get why people are being soo mean to this girl?
Maybe because people don't have dignity, and they think it's not a huge deal if something like that were to happen to them. Just because someone is your boyfriend/husband, it DOES NOT mean they have any right to do anything to you without your knowledge/ without consent.
But in your situation, you were sick, very sick, and he tried taking care for you. I think you're confused as you don't know if what he did was out of care or because he didn't have respect. But I can say that from the situation you described, he was trying to make you feel better.
When you're sick, the body's temperature can go soaring high, and wearing too much clothing can make it worse. I think you should thank him for what he did, and not hurt his feelings if his intentions were pure.
Were you fully naked or wear you under some thin sheet covers?