>The only way they make money (cash out) is if trust remains in the bitcoin platform.
Not if their cash isn't - somewhat ironically - tied up in BTC.
Really, I'm sure between the two of us, we could imagine a thousand and one viable ways of making a tonne of cash very, very quickly that wouldn't involve transacting in BTC at any point!
Not sure I follow you here. How would they make money from controlling BTC other than by selling it? ...which is impossible if they break it, as argued above.
Not if their cash isn't - somewhat ironically - tied up in BTC.
Really, I'm sure between the two of us, we could imagine a thousand and one viable ways of making a tonne of cash very, very quickly that wouldn't involve transacting in BTC at any point!