I think it's a really unfortunate rule, since the reasons you (or at least I) hunt a level 3 are:
more (though still disproportionately small) rewards
an interesting fight
and neither of those are achieved by not being able to get to the monster.
It basically just discourages you further from fighting level 3 things.
I agree 100%. I really hope the 2.0 release replaces the hunt track with something a bit more substantial and fulfilling.