We focused the link on the one-star review in the prior newsletter. Please click on comments link for full discussion. It is instructive for investors to understand that drawdowns, even sharp ones, are part-and-parcel of successful investing. Even O'Neil himself lost -54% over 5 years with the fund he ran.
For contrast, here are the other amazon reviews so far which have been 5-star:
Onwards and upwards!
Chris Kacher and Gil Morales