Sounds like bad design with regard to the door handle and the slide handle being close together and requiring similar motions. BTW, I've been wondering where the slides actually are stowed - are they in the door? What about in the E-170? I stared at the safety card and couldn't figure out where the slide was stowed. I always look at the cards because on some planes it appears that the life raft could escape out to sea unless the line is manually looped and attached to the tie-down ring.