Sounds like the rule needs to re-written: "14 days for the purpose of hunting, fishing, trapping, camping or other outdoor activities... Abandonment assumed if not spike camping or after 4 unoccupied days" (say)...
I once came across a great campsite along a river way up in the boonies on western Virginia public land. It had just been weed-whacked and was golden... Middle off the week in April or May. I started to unload and here comes Zebediah to let me know he had plans to trout fish or turkey hunt or just party out of that site. (I can't remember the exact timing.)
I said OK, good luck and moved a ways upstream. No harm no foul, and he had put a good bit of effort into making that site near-perfect.