SUV's are really not practical for anyone
Sorry but that statement is not accurate... one example: I have to drive my family of 9 around... an SUV (Suburban) is quite practical for that purpose. In fact, few other vehicles could handle the task... A truck could not. A mini-van could not. Not many other choices today outside of a full-size van but the gas mileage on those is not better than an SUV (maybe even worse). I know I'm not the only one with requirements to transport more than a handful of people at a time.
We try hard to minimize trips (e.g. a rule of thumb is that we don't go into town for just one purpose).
Also the Suburban is not the regular commuter vehicle in our household either. When 3 or fewer of us need to go somewhere-- we use the 3 seat 4 cylinder vehicle instead.
Looking back over your post, I see that there are some other inaccuracies in your post as well... items a-d can certainly be accomplished with SUVs. Other items like pulling a harrow in a field, pulling up deep sunk fence posts, towing broken vehicles, etc can also be accomplished with a Suburban (I've done it with ease).
All that said, I like the Veggie Tale song "Sports Utility Vehicle" as there is truth in it (and it's funny)... "You and me in our sport utility vehicles crusin to Dunkin Donuts for a cup of steaming Joe. Oh you and me in our sport utility vehicles we'll slam into 4-wheel drive for a scoop of rocky road".