If most the infosec professionals consider the latest changes have made Twitter an inviable option, that alone speaks volumes of the quality of those changes.

If most the infosec professionals consider the latest changes have made Twitter an inviable option, that alone speaks volumes of the quality of those changes. Also, a highly changing environment (regarding security threats) makes strong networking a survival trait. You don't want to become isolated from a part of the community, and you can always keep both Twitter and Mastodon. In fact, keeping both accounts is a must, because many security companies and government institutions are still only on Twiller.