Oh wow. I know there have been a ton of debates and discussion about quote tweet functionality and whether it's good or bad (I'm on the "I think it would be good" side), @hildabast has put together a VERY detailed review of all research on the topic. Her take based on that: it is not a major vector of abuse, as some claim. https://absolutelymaybe.plos.org/2023/01/12/quote-tweeting-over-30-studies-dispel-some-myths/