I don't quite see why the author shuns them.
There should be 7 paragraphs in the preview shown, with paragraph breaks after ‘reigns.”’, ‘on Amazon.’, ‘Well, yes.’ and so on.
Yes, the caliber of reader reviews on Goodreads is all over the map. But it is huge, passionate forum for active readers of all stripes. Spend a little time with lists, filters, reading circles, etc. -- and you can semi-reliably get both reviews and recommendations that are well worth the time invested. Most major publishing houses know this, accept it, and have even come to appreciate it.
As a hardcover author in 2017, I found that my publisher's marketing/publicity team was very comfortable with Goodreads' prominence and felt that its review-by-review quirks balanced out over time in a way that ultimately was quite good for promoting wider readership of interesting books.
> user reviews exert ever more influence compared to serious criticism […] The rise of Amazon reviews has reinforced a larger pattern of populist impulses challenging older cultural norms. The book clubs and reading circles that do so much to fuel book sales today generally pay little attention to professional critics