The abstract uses the phrase 'greed communication' because, of course, they are also Envy fundamentalists and have avoid calling a spade a spade.
"Analyzing every tweet of all US senators holding office from 2013 to 2021 (861,104 tweets from 140 senators), we identify a psycholinguistic factor, greed communication [TC: basically accusing other people of greed], that robustly predicts increased approval (favorites) and reach (retweets). These effects persist when tested against diverse established psycholinguistic predictors of political content dissemination on social media and various other psycholinguistic variables."
All-in Envy fundamentalists beat out reticent Envy fundamentalists when deploying Envy.
"We further find that greed communication in the tweets of Democratic senators is associated with greater approval and retweeting compared to greed communication in the tweets of Republican senators, especially when those tweets also mention political outgroups."
If you want to succeed on Twitter, remember to irresponsible and never mind your own business.
After all, what kind of population would your own business concern? Reach more by sticking your nose in their business.