Saluting the spouse of a military officer is a hidden signal to the spouse that the member rendering the salute wants to have sex with the spouse with the officer's consent/participation. Returning the salute (or demanding to be saluted for their spouse's rank) means the spouse wants to have sex with that member.
When a lower enlisted salutes the wife of an officer, he/she is signaling that they would like to participate in sexual relations, typically with the officer involved or observing.
Wives of officers asking or insisting a lower enlisted to salute them (which no civilian is owed from anyone) are signaling that they desire the enlisted person to engage in sexual activity with them.
Corporal O’Reilly told me he was going to salute the wife of Major Burns. Now he tells me he’s got a “special assignment” for the Major later tonight.
At least the group that went before that last group of posers didn't salute the judge, and they even made a few people laugh in the process, even if they didn't get the judge's votes. Winning isn't everything though.