This series of high-volume posts is extraordinary. With a lifetime circulation volume of just 21m coins, where are all these hundreds of thousands of coins emerging from? Did they hibernate or something? Are these proceeds of exit scams? Or are these imaginary coins cooked up in the minds of wanna-be billionaires?
I find it hard to imagine how someone with, say, 500k BTC has the time to browse this forum in search of buyers. If I had even 1k BTC I would have far more important things to do and enjoy in life. My family.. the mortgage bills.. travel.. etc
I think most are just agents or dealers negotiating a deal for whoever comes to them. So take it with a pinch of salt. I've been selling BTCs for a couple months now and during the hype period (DEC-JAN) 3/4 of all the buyers I spoke to were agents, and after spending lots of time talking to them about confirmations, price, volume, etc, they mostly don't end up being anything. As they most probably are finding the cheapest seller and highest buyer.