I know they use a number of techniques like kernel bypass to get the lowest latency possible, but maybe they have explored some solution to this problem as well.
never be afraid to admit that you don’t know something. guessing wrong is a much worse look than not answering at all.
No exchange should allow trades to complete, I would argue in any time less than 15 minutes, and each trade should have a random 1-15 minute delay pad on top of that.
The HFT access only serve the larger financial firms, and are used to do frontloading and other basically-illegal tricks. It provides anti-competitive advantage to large firms for markets that are supposed to open access/fair trading. And of course it leads to AI autotrading madness.
I get that it keeps a lot of tech people very well compensated, but it is either in the service of unregulated fraud at worst and unfair advantage at best.
I would highly recommend you to read this book ( https://press.princeton.edu/books/hardcover/9780691211381/tr... ) or if it's too long form, read this article ( https://www.thediff.co/p/jane-street )
I am not saying HFT's are in charitable business but they do serve an important role in the financial markets.