There is no such thing as a micro-agression. That is a bullshit term made up by a professor who doesnt have the intestinal fortitude to stand up to critique and thinks being offended should be prosecutable.
Conflating offense with aggression is one of the worst aspects if modern culture and here you are trying to promote it, telling people what you think that can and can not say.
If you did not intend to harm someone, it, by definition, can not be agression. And worse offending someone is not even harm.
When someone offends you, you tell them. If they don’t care, you walk away.
You are a child.