"choose which speech they will AMPLIFY" That makes private messages an interesting question, though. Or even cases where many people explicitly subscribe to a

"choose which speech they will AMPLIFY" That makes private messages an interesting question, though. Or even cases where many people explicitly subscribe to a single voice -- is the platform really amplifying anything? Blocking such messages (to specific recipients who specifically opt to receive them) seems materially different than declining to promote/amplify such messages. I'm speaking from an ethical standpoint; it may or may not matter legally.