They are likely planning on eliminating external apps from using their API. Upon doing that, it no longer becomes feasible to delete your content. They get to keep it forever since they make it so hard to go post by post and delete it.
You also won't have any new features that you actually want, because they haven't listened from the get go and have never been responsive because you are the product not the client.
You also won't have any new features that you actually want, because they haven't listened from the get go and have never been responsive because you are the product not the client.