In all seriousness, I simply wouldn't
LOL!
It comes down to my uses. I rarely use the hatch. The most I use it is to put my tackle boxes where my spare tire used to go. Can the tackle boxes go behind my seat? How about the fishing rods, some up to 7 foot? Can they be put in from the front? Yeepp... so there goes it's function!
I'll take the ~5% gain in FE any day. That alone is worth the extra 30 seconds to get my stuff out.