Well no, Taylor could only write about cartirdges as they were in his day. He did write about some poor bullets that one professional used in his .404 but these seemed to be the exception so he praised the .404J rather than write it off.

Hindsight is all well and good for us to use today now that we have some great bullets available that up the performance of some of the old cartridges. The 10.75x68 was to be Mauser's contribution to dangerous game knock down cartridges but unfortunately poor bullet construction and a lower sectional density than say the 375H&H, .404J and 416R did not endear the cartridge to Taylor. He did admit that it was popular but probably more through the availability of the cheap light Mausers he also spoke of as being on the market.