In tears, Ms. Wieber described how Dr. Nassar began grooming her with food and gifts when she was 8, and began molesting her when she was 14. How much more does the Olympic committee need to bulldoze U.S.A. Gymnastics, so the organization can be rebuilt without the people who couldn’t see, or didn’t want to see, a monster right before them?

Scott Blackmun, chief executive of the Olympic committee, wasn’t available for comment for this column, but here’s a primer for him:

Because of U.S.A. Gymnastics’ decades-long practice of failing to report sexual-abuse accusations in the sport to law enforcement, Congress decided there needed to be a federal law to remedy it. In the wake of the Nassar case, Senator Dianne Feinstein, Democrat of California, introduced a bill that would make it mandatory for the national governing bodies of Olympic sports to report sexual assault to the police. The bill passed the Senate in November and is expected to be passed in the House in the next few weeks.

A majority of the gymnastics federation’s officials and board members have remained in their posts throughout the Nassar scandal, even though many of the women molested by Dr. Nassar — including the Olympic gold medalist Aly Raisman — have repeatedly called for the officials to step down or be removed.

Three days after Simone Biles said she was abused by Dr. Nassar and added that she dreaded going back to the national training center in Texas because she was abused there, the gymnastics federation said it wouldn’t return to that site. That change came because of the power of Ms. Biles and other women speaking up.

Now, the Olympic committee should listen to the athletes, too.

“If they really cared, then there would be a lot of change,” Ms. Raisman told ESPN, referring to the gymnastics federation, last week. “And there hasn’t been enough change.”

Ms. Raisman and other gymnasts have called for Paul Parilla, the federation’s chairman, to step down, but Mr. Parilla — a lawyer and retired Marine Corps colonel — has only dug in.

In a statement last March, Mr. Parilla — whose daughter, Jennifer, is a two-time Olympian in trampoline — said, “The entire leadership of U.S.A. Gymnastics shares the U.S.O.C.’s commitment to promoting a safe environment for athletes, and we take its views very seriously.”