anyone with tons of DOGE can manipulate the apparent floor of the market with no risk, as the exchanges currently operate on a delay. you can exit position before anyone fills you order, furthermore there is 0 chance anyone has more DOGE than you if you are a major holder. at least not anyone that wants to liquidate @ .000000050.
We are talking about buy orders. So people have to have a lot of btc not DOGE. And why does a bigger holder not want to liquidate at 50 satoshis? I bought my 1,5mio. for 4 satoshis and sold 1/3 at 30 satoshis, 1/2 at 150 and the rest at 70. I was never a bigger holder, but play the game with 15 oder 100mio. DOGEs, it still makes sense.
But a major holder would never make one big sell order, in my opinion...