Elon Musk’s long-promised launch of encrypted direct messages on Twitter has arrived. Like most attempts to add end-to-end encryption to a massive existing platform—never an easy proposition—there’s good, bad, and ugly. The good: Twitter has added an optional layer of security for a small subset of its users that has never existed in Twitter’s 16-plus years online. As for the bad and ugly: Well, that list is quite a lot longer.
On Wednesday night, Twitter announced the release of encrypted direct messages, a feature that Musk had assured users…
