"These people should not be enabled to derail conversations between honest people with opposing views who actually know what they are talking about by getting e

"These people should not be enabled to derail conversations between honest people with opposing views who actually know what they are talking about by getting everybody to argue about definitions forever." Twitter is not a free and public forum for the exchange of ideas, it is a sprawling, (literally) finely tuned machine that percolates the most engaging posts to the top, at any cost. It rewards outrage, not reason, coherence or progress. Helen is just screaming into the void, and I think more specialists like her need to understand that Twitter is not an academic debate hall, even though it (by design) looks like one.