We always tell new starts to not be afraid of using their "new start pass" to ask why things are done a certain way because it quite often opens up a vault of context or gives opportunities to change processes or tools that can't really be justified to a new engineer
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
I'd add: get involved and speak up, the fact you're new doesn't mean you have to be a passive learner.
We always tell new starts to not be afraid of using their "new start pass" to ask why things are done a certain way because it quite often opens up a vault of context or gives opportunities to change processes or tools that can't really be justified to a new engineer