Packing everything you need for 6 days (including the tent) and carrying it on your back as you hike is the impressive part.It's cool to do for at least a single week once a year or every couple of years and there is plenty of time to prep for it if your out of shape. You don't even have to be an outdoorsy individual to do this.
Those who do it alone and often are defo about that life and that seem a bit too much imo