Their critique might've been helpful/valid if approached correctly, I don't know. I do know that Ctrl+F'ing through a 30K+ word book in search of the word "need" in order to call out the absence of some very specific thing they decided is essential, without actually reading the book, seems to me like idle sniping and not a genuine critique. It comes across as peevish and snarky.

To the OP, the book looks interesting and I've started reading it from the top. FWIW btw, it loads very quickly on my end.