I always catch my magazine when I release it. In a self defense shooting, you are not going to care about breaking/damaging the magazine when it falls. Your gun is going to be taken by the police for a long time, possible rust on it from not cleaning/waiting on courts to use it as evidence. More than likely you will get a new gun.
Even if you don't who cares about $30 magazines? you buy another.
SHTF vs TEOTWAWKI you ask? SHTF, just some crap on the ceiling and walls, TEOTWAWKI end of the world as we know it. Orignally made by 9mm/®™©