I always assume that's the founders running a heap of volume/liquidity through their project, to try and attract speculators. Wash trading.
I don't expect anyone but insiders actually make any money.
We could start Matt and Taraz Unipancake Swap Swamp and push the token price into the billions. Its easy to pump centralised rubbish.
Me too. With a decent sized "silent" investor group, they can pump in early, attract stake and easy out before the rest.