"Jumped down one's throat" is a phrase that implies aggressive confrontation or criticism. For more diplomatic or softer ways to express a similar idea, there are several synonyms that could be used. Some of these are "expressed concern with," "addressed with tact," "broached delicately," "raised objections," "offered constructive criticism," or "voiced disapproval calmly." Using any of these phrases instead of "jumped down one's throat" shows respect for the other person's feelings and can lead to a more constructive conversation or argument. It's always best to communicate in a respectful manner, especially when it comes to contentious issues or sensitive subjects.