Agreed. I was pretty perplexed when the message popped up for me, as I had never gotten SSSS before in a few years of over 100K miles annually of travel on DL.

FWIW, I haven't had SSSS since then, and it's been a year and a half (and probably another 200K miles or so)...so hopefully if you do get it, it'll be a one-time fluke.