My understanding is that when it’s a subordinate/superior relationship, the threat to the job is implied/understood. If you were my equal and made those advances, then my job isn’t on the line; I’ve just been harrassed. However, if you are my superior and did the exact same thing, it’s implied my job is threatened because if I refuse you have the power to affect my job.
And you might want to do some research on the McDonald’s coffee thing. I read they were warned several times before that incident that they were keeping their coffee too hot (because it kept it ‘fresher’ tasting and they didn’t have to make it so often); that incident was the straw that broke the camel’s back.
More over I ma not sure the relevance of the effort to tarnish Mr. Cain because the attacks will come until he is beaten. No matter to me, as he hasn't garnered my support yet.