Charlie, and such locks are just most common, are just a necessity of the society functioning. E.g., a some gossip touching an airliner safety -- and the flight would be immediately locked and investigated.
Charlie, in my yesterday's conversation with TDAmeritrade, I was told that the lock can be removed any time. "How," I asked, "with a public notice?" "I don't know... Just removed," the official replied."
News 
Market Data 
Discover 
AI
