Blackrock isn't just all about buyin' everyone's houses, don't you know?
threadreaderapp.com
threadreaderapp.com
Executive summary: they have tendrils everywhere and are effectively impossible to oversee.
What can you do? Not much.
How does it affect you? Well, if you're American it means you'll have a harder time gaining obscene amounts of wealth outside of the meta system established by Blackrock and Friends. You're also more likely to be affected by any misalignment in their interests and your own.
Other than that? Same serfdom, different lord.