Precision's bonus stat is Attack Speed. It's as if ADCs were given an exclusive rune tree.
Also the fact that two of the keystones are only useful for autoattackers.
However, it's pretty cool how Fleet Footwork appears to have potential on either AD or AP champions. It's just super lame that you have to take Attack Speed as your stat bonus.
Of course there are other runes in the tree I want to try on non-ADCs but they can be taken if it's the secondary tree, so no big deal. The only issue is being punished for taking Fleet Footwork if you are not an ADC.
