That's simply not true. Exit operators who intentionally block websites are flagged as bad relays.
https://community.torproject.org/policies/relays/expectation... https://gitlab.torproject.org/tpo/network-health/team/-/wiki...
https://support.torproject.org/relay-operators/exit-policies...
The documents you referred to just say you need to honor your own exit policy.
https://support.torproject.org/relay-operators/exit-policies...
The documents you referred to just say you need to honor your own exit policy.