Remove abortion from SCOTUS’s jurisdiction and you end up with 12 different circuits legislating abortion willy nilly.
Remove abortion from the lower federal courts’ jurisdiction and you end up with 50+ legislatures regulating abortion willy nilly.
Pass a nationwide abortion protection bill with a poison pill expanding the Supreme Court by one seat per year unless and until legislation is enacted to stop it, and SCOTUS will suddenly get woke on abortion.
ETA: Or Biden just nominates four new Supreme Court justices, who can be confirmed by 51 votes (including Harris) without filibuster. Confirmation alone increases the size of the Court. Then do the same for the 5th, 6th, 8th, and 11th Circuits.