At this point, she can't even be used as a puppet. She has shingles and has been out for weeks. Meanwhile, there are only a precious few months left in the judiciary committee that she sits on for Biden to get his judiciary picks confirmed. They cannot do anything without her presence. These federal judiciary picks are exceedingly important. Regardless of what you think of the Democrat's politics at the moment, one thing they are still doing that the GOP is not is nominating competent judges.
Right wing nominated partisan hack judges are one of the biggest issues facing our country right now. It's one thing to have a partisan judge that always leans one way when making decisions. It is another to just totally disregard the law and make things up to fit your agenda. (see Judge Aileen Cannon or Judge Matthew Kacsmaryk).