They've also driven a noticeable drop in stock prices in the closing minutes that have been used by quant algos to squeeze even more money out of the market as

They've also driven a noticeable drop in stock prices in the closing minutes that have been used by quant algos to squeeze even more money out of the market as the leverage is a unmanaged algo that was predictable and could be driven up before it had to force trades. It's not just the gambling of people, but the systematic use of bots to squeeze leveraged vehicles.