Reckless words pierce like a sword, but the tongue of the wise brings healing.
When dealing with situations that inflame the passions it is difficult to remember what the ultimate objective is and focus your energy into obtaining the outcome with as little collateral damage as possible. I think the general inclination away from piercing and shaming language to be proper but sometimes a malformed bone needs to be broken before it can heal properly. Likewise we are foolish to not recognize the times when words of truth, despite the obvious hurt they may bring, are required. The completion of the analogy might be to wield the sword of truth not in a caviler manner , but with grace and force of strength.