The question of whether we’ll be uploading our consciousness to a computer is no longer if. It’s probably when. That’s because these digital consciousnesses – our essences – will likely be the product of an AI’s interpretation of ourselves. The breadcrumbs we’ll leave across digital files, images, videos, audio recordings, and, of course, all that social media will be an ample resource to reconstruct you.
That is because if they were to actually delete the account, it would give errors on previous posts you made being linked to nothing.
Every database does this.
But you can be certain that facebook would still do so even if it was possible to delete.