This sucks totally. Of course SE has to make sure that there will be no item floods, but the time (or amount, whatever) u can gather items is simply to short (low).

Look at me for example. Ive gotta work a lot and sometimes at one of rare free days i say "k, time to push my miner". and then ... i think ya know...

so the main problem for me is, that u get only half exp (and i think exp are already realy low without these fatigue) when u "damage" an item in "fatigue"