If a person is targeted by multiple "isms" then they can be the victim of people targeted by fewer "isms".
However, it is not possible for a privileged person to be the aggressor in a conflict with a less privileged person.
In that case, there is one clear party who is being (subtly) aggressive.
Situations are rarely black and white.
It is uncivilized to always assume that the person taking offense is automatically correct. We're all people, and people are capable of dishonestly taking advantage of the sympathies of the mob du jour.
It is always okay to discuss whether someone is actually guilty, and it is always okay to discuss whether someone is actually making false accusations.
There is no sharp demarcation, of course. The tech industry is perhaps still not quite at the "everything is subliminal" point.
And yes, a part of the human condition, is that everything is subverted and abused or misapplied, sometime. Because...humans. We're messy.