In the studio that we are staying in, it is equipped with paper plates and bowls along with a can opener, dish washing liquid, kitchen towel, scrubbing sponge and other tidbits that make cooking easy and convenient. While it does not have a full size stove and oven unit in it, it's pretty clear that it has a designated area that is intended for the purpose of cooking and food preparation, as well as clean up.
In looking at the room service menu, I see plenty of things that would be more smelly and disturbing than what I am cooking or how I am cooking it. I mean, if someone is interested in micromanaging what I do in the privacy of my own room (which I have paid for with my own hard earned money), then where do their right to butt into my business stop and mine start? I mean, if we are going to protest things on the basis of it being smelly, then maybe we should ban people having a bowel movement in their hotel rooms because the smell of it might linger and offend other guests (including the following guest). I mean, burnt popcorn tops the charts as far as smelling bad. So if we are going to ban things based on the smell that they make, then where do we draw the line for that? To me, I think it's fine so long as I'm not having to rewire electrical outlets in order to run the equipment or in any way alter the room. If Disney has a problem with anything that I choose to do, then they can make a rule against it and communicate that to me. Until and unless they do, then anyone else's opinion on what I cook or not and how I cook it or not does not matter one iota to me.