it also has to have any market depth at that price - you can drop the BTC price $3,000 by selling $1m worth just lately, imagine having to cash out $1b "worth"

it also has to have any market depth at that price - you can drop the BTC price $3,000 by selling $1m worth just lately, imagine having to cash out $1b "worth" into actual money not to mention the US miners who have a "stockpile" of $1b of BTC, apparently for every possible reason other than "actual-dollar liquidity doesn't exist to sell it without crashing the price"