Hi Ethan,
I suggest you to contact your affiliate manager and explain that your main traffic source is Facebook and Instagram ads, so that wouldn’t fit your traffic.
This isn’t a common requirement, so they may give you a reason why it was applied to your account. Perhaps it was something in your application.
Smart links will basically show people offers that fit their geo, but you wouldn’t be promoting a specific offer.
This would be more for push traffic, but it’s not what you’ll be doing in this program. Therefore, I suggest you to contact them and explain that you’ll be sending quality traffic from FB and IG, but can’t run smart links there.
Also, never rely on just one application. Apply for all (or at least most) companies in my list of recommended networks. You’ll certainly get other approvals.
William