I don't think you understand what a pump and dump scheme is...
You are explaining the opposite; call it a dump and pump scheme:)

Pump and dump would be more like Gavin somehow causing mass people to buy in when he knows something is wrong. He could then offload all his btc before the critical flaw news gets out. à la every penny stock out there ever

Smart "big money" has been quietly accumulating on OTC markets for a long time IMO. They have pre-arranged agreements with miners or large OTC brokers. The fact that the exchanges did not experience any spike in volume during Ben Lawsky's Bitlicense announcement yesterday is very telling. If you ever watch a growth stock (ex. TSLA etc) during a quarterly financial conference call the price and trading volume will be crazy. As soon as the shareholder letter is released algos are parsing the letter and making microsecond HFT trades based on what they think; and again during the conference call the stock goes wildly up and down based on any minutia of data, detail, or even the tone of the people speaking. We experienced none of that yesterday. This clearly shows that no wall streeters are doing anything on current exchanges.