It's odd because someone is looking for advice and in return were shamed. Being concerned for one's sister is not a shamable offence...yet...uhh...check your privilege or some such.

Funny enough, the slogan "Check Your Privilege" has come full circle and become the battle cry of the Social Justice Warrior, alienating all that are on the receiving end of its blow. Whereas its original intent was to help the receiver do some contextual introspection.