Accidental quickhammering, though unintended, unfortunately does happen and while regardless of alignment it puts the game in an awkward position, it can't be easily prevented and the presence of genuinely accidental quickhammers makes it a little harder to prove the presence of deliberate, uncaring, unthoughtful quickhammers.
Quickhammers with direct thought put into them, carefully weighed and decided, are within the spirit of the game, because the player making the quickhammer was, in their view, playing towards their wincon. However, the presence of this as a legitimate play call
also
makes it harder to prove the presence of deliberate, uncaring, unthoughtful quickhammers.