Are these boots a must for every poison WD? Just saying, 6% more poison dmg will own some stuff, not to mention the set bonus with lets say the head ring or chest.
Given legendaries and rares with variable (and multiple) magical additions, I think it may be possible to see a good combination come out on one of those. More of a blind chance in it being better though. Would really depend what the random generator would/can spit out