to feel disrespected by BiL?

[Spectra]

Just wanting some outside opinions on whether or not my husband's brother is being an asshat...
Have you seen the new Coke gimmick where you can personalise cans with people's names and post them on Facebook? A little background on me, my choice of drink is Diet Coke. I drink it all day, and everyone knows this. If you were going to personalise a can of Coke for someone, I would definitely spring to mind. But that is beside the point. My BiL spent his day online doing cans for everyone in the family with messages about how wonderful they are, except to my husband and me. That didn't bother me, I just happened to see them on my facebook feed. Then I see that he did one for my husband's ex girlfriend with the message, '!To my favorite sister in law ever xxx' First of all, they broke up over ten years ago. And they were never married, and she didn't even like him. I however, have been married to his brother over four years and have two kids with him.
AIBU to feel like he did that as an insult to me, and feel disrespected? I feel dumb being annoyed over a virtual coke can, but how should I react to seeing that?

[lashingsofbingeinghere]

This sounds mind-bendingly childish. Ignore it.

[BigBlockSingsong]

this is weird I'd say,

have you mentioned to your DH how upset you are?

tbh I would have called him out on it on fb, but I'm a battleaxe.