High heritability of bullying, plus negligible influence of shared family environment (including parental behavior), suggests that the 'cycle of violence' theory of bullying is wrong.https://twitter.com/DegenRolf/status/1254408485749559299 …
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
What if he makes good faith arguments in a snarky way because he's an angry grad student (but here I repeat myself)?
This seems like bullying
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.