Still at the mercy of RNG - they can make it 80% drop rate and you can still hit a dry spell - just ask any experience crafter in this game about RNG and you'll understand that in this game, unless its literally 100%, your forever at the mercy of RNG.

A classic example is Steady Hands II with Hasty Touch, 80% chance to land the touch, yet every once in awhile you'll fail 5 straight at 80%. Just how this game dick's with you.