I was honestly a bit surprised to see this settlement happen. The way I read it, Zillow/Redfin basically rolled over rather than lose in court to the FTC. Seems as though despite the best efforts of the admin (see: Trump v. Slaughter), the FTC might still be somewhat independent.
Zillow and Redfin settle FTC antitrust case | TechCrunch
Zillow and Redfin reached a settlement with the FTC, which requires Redfin to reenter the rental advertising business.
techcrunch.com