Most 10GE+ datacenter switches use cut through switching, not uncommon at all, not just something HFT uses. Bitflips are very rare in a datacenter environment,

Most 10GE+ datacenter switches use cut through switching, not uncommon at all, not just something HFT uses. Bitflips are very rare in a datacenter environment, typically caused a bad cable that you can just replace or clean. And crc check is done at the receiving system or router anyway.