Rather then actually fix the problem (say by requiring a 5 minute minimum time for placed orders) they simply make money on the traders and then when the market goes down find a scapegoat to arrest for doing what their system explicitly allowed.
A
two second minimum life-span for orders on all exchanges would be the simplest and most effective action regulators could take to stabilize markets. That UK trader should get a medal for highlighting how broken the HFT-abused markets are.