Both of these things are absolutely sexual assault without consent. It doesn’t matter whether you personally believe that ‘not saying no’ is consent, if the other party in the interaction did not actively want to engage in these sexual acts with him then he did not have consent, and he should not have attempted to engage in them.
It doesn’t matter if there are much worse people who have done much worse things, what he did is still bad, and it doesn’t make the response to what he did ‘an overreaction’.
Both of these things are absolutely sexual assault without consent. It doesn’t matter whether you personally believe that ‘not saying no’ is consent, if the other party in the interaction did not actively want to engage in these sexual acts with him then he did not have consent, and he should not have attempted to engage in them.
It doesn’t matter if there are much worse people who have done much worse things, what he did is still bad, and it doesn’t make the response to what he did ‘an overreaction’.