Sony may not do it, the same way Nintendo might not do it either, but both reserve the right to do so
Edit: If you take a look at the PLAYSTATION®5 SYSTEM SOFTWARE LICENSE AGREEMENT
under "6. VIOLATION OF AGREEMENT; TERMINATION OF RIGHTS AND SIE INC REMEDIES", one of the possible actions they may take states:
disabling use of this PS5 system online or offline
Sony may not do it, the same way Nintendo might not do it either, but both reserve the right to do so
Edit: If you take a look at the PLAYSTATION®5 SYSTEM SOFTWARE LICENSE AGREEMENT under "6. VIOLATION OF AGREEMENT; TERMINATION OF RIGHTS AND SIE INC REMEDIES", one of the possible actions they may take states: