Roberts didn’t even personally address the lawmakers. Supreme Court Legal Counsel Ethan Torrey, writing on behalf of Roberts, replied instead, saying simply that, “The Chief Justice has asked me to acknowledge your letter dated June 27, 2023, and to thank you very much for bringing your concerns about these important matters to his attention.”
Dems are currently in the minority in an extremely partisan House, unfortunately, so AOC can’t do much other than applying public pressure.
ETA: vote.
The House can’t do much in any case. The real power here is with the Judiciary Committee in the Senate. Everything flows through them as far as the court goes. Remember, there is a very small majority in the Senate and it is reflected in Committee membership.