Well, you've described a problem for which this isn't a technical fix, but for which there is a technical fix: a decentralized open source social network on which you retain complete control over which of your data ever enters its ecosystem.
And it will come. It will take years, but it will come.
Absolutely. A distributed system where each user controls their data is theoretically an architectural fix. But not one that is an option for FB since owning my data is the core of their business model.
And it will come. It will take years, but it will come.