To be honest now that half of the revive shield is eaten up by the revive animation there is really nothing to complain about anymore (still think that there are better solutions tho).
If someone gets revived you get a full second to either kill the medic or get your ass out of that situation before the revived one becomes a problem.
Also since everyone on the field has a full second to line up a perfect headshot. So his best reaction in most cases is to take the remaining 1 sec shield and get out of there.

