Unless I am misinterpreting the options available, it seems there’s no “remove from Facebook Custom Audience option”.
If so, I guess this might be because you can’t edit a Custom Audience once it’s uploaded – a limitation not he Facebook end, not Zapier’s.
But to ensure only active subscribers are targeted, would the best workaround be creating a second custom audience with Unsubscribes in it, and using this as an Exclusion Audience in Facebook?
This is simple enough, but seems clunky – someone who Unsubs, then Resubs, would forever be excluded from future ads, unless I Reupload the subscriber list.
Any opinions/suggestions/pointers would be greatly appreciated. I’m sure this has been figured out by plenty of people before me!