While being multi-skilled will learn you a lot, mastering at least one technology is always a good idea, especially to find a job. I'd say the best thing is to be balanced between the two: master with some (1 or 2) techs but still curious and learning new and different things.
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.
While being multi-skilled will learn you a lot, mastering at least one technology is always a good idea, especially to find a job. I'd say the best thing is to be balanced between the two: master with some (1 or 2) techs but still curious and learning new and different things.