Ed Meese has some analysis on 14:3 and claims it was repealed by two legislative acts.
But Congress may by a vote of two-thirds of each House, remove
such a disability.10
The last sentence in Section 3 giving Congress the authority to
“remove” the disability imposed by the amendment is unique. While seven
amendments have language giving Congress the “power to enforce” each
amendment “by appropriate legislation,” only the Fourteenth Amendment
has language giving Congress the power to specifically void the provisions
https://www.heritage.org/sites/default/files/2022-04/LM301.pdf
Amnesty Acts of 1872 and 1898. Four years after the Fourteenth
Amendment’s ratification, Congress exercised its power under Section 3
and passed the Amnesty Act of 1872 with the required two-thirds vote in
each House.15 The Act provided
Indeed something fishy about the SCOTUS story.