While yes tinnitus was noted as lower to the compared vaccines. The rate change between dose 1 to dose 2 still supports a potential causal relationship. We would expect no rate change if not related. While this does not influence recommendations for COVID vaccination, the mitigation of this adverse event is not provided to the patient which may be via a brief course of corticosteroids.

This result suggests the signal may be masked in passive monitoring, and there just so happens to be a recent article detecting a signal for tinnitus when accounting for masking.
idp.springer.com/authorize%3A%2F%2Flink.springer.com%2Farticle%2F10.1007%2Fs40264-022-01186-z