I have found the exact opposite with Flash Boys (and, to a certain extent, with Big Short - although that is less my area of expertise) If you have read Flash Boys and you are interested in the other side of the story I suggest reading a very well edited point-by-point rebuttal:
<a href="http:&#x2F;&#x2F;www.amazon.com&#x2F;Flash-Boys-Insiders-Perspective-High-Frequency-ebook&#x2F;dp&#x2F;B00P0QI2M2" rel="nofollow">http:&#x2F;&#x2F;www.amazon.com&#x2F;Flash-Boys-Insiders-Perspective-High-F...</a>