Though legally you don't have to give out your Social Security, but they don't legally have to serve you.
So in the end Blue is right, you need it.
I'm sure there are a few privacy groups that are already fighting that.
But I'm guessing they haven't gotten anywhere.
Maybe they can't get in touch (no phones and all)
I'm surprised that it affects your credit though.
I have never tried it, so I don't know.
But Hanzo's remarks make sense.
As to them making the deal despite that note, they want your money.