So the ones that you don't have to carry with you (the ones that stay static somewhere on your walls or floors) is better to be as light and as thin as possible. But not the stuff that you carry on your hand or in your pocked?
So I didn't write my comment very carefully. I'm sure most people would love most things to be lighter, but there's a point at which it's light, thin, or small enough that my primary concern isn't for it to get lighter or thinner anymore.
Some of us also have a concern of things getting too thin. That's my concern. I should have left the "light" part out of my comment. Personal preference as you liked to call it. There are some things about the older generation of cellular phones that I liked better. They were a lot more comfortable to hold and less likely to be dropped (in my case anyway).
I would like my iPad and my laptop to get lighter... much lighter. A slightly lighter iPhone wouldn't matter much to me and a much lighter one might actually be unwelcome for the reason that objects that get "too" light are also easier to mishandle and drop... but that's a moot point in the case of phones. I doubt we're going to see any phones that light for some time simply because of the batteries.