I think are pretty large barriers to entry to hft. You need enough capital to develop a sophisticated, heavily error checked trading strategy, set up your own n

I think are pretty large barriers to entry to hft. You need enough capital to develop a sophisticated, heavily error checked trading strategy, set up your own network to ensure low latency, the IT infrastructure/engineers to manage this,.. it's not like a few burnt out traders can open up hft firm in their garage so I think any stampede is unlikely