I will stop at 93%. If i have one, i will look for another leg-raid. - So i will only do zapdos-raids, if my free raidpass is in danger of going waste.
100% (meaning: Chance of 1 in 216 multiplied with catch-rate) for each leg-pokeomen is something for people who have a lot of time and money and who are willing to drive many kilometers, mostly by car.