Love it! I did feel uncomfortable with 2010s-Facebook-style excessive public sharing. Most of my friends, with me included, abuse the close friends Instagram feature and I'm all for it. I know a couple of people who deleted their old Facebook accounts because digital footprint was too frightening – particularly, the shit they posted during their teens in private Facebook groups that they have long left.
All of this is obviously not related whatsoever to data harvesting; this fight is against individual stalkers rather than corporate ones. But it's a blessed one non the less; stalking shouldn't really be a thing.
How did you manage to convince friends and (especially) family to actually use Matrix? Quite impressive!