I do, actually. Personally, I think it is much easier to find a book I will enjoy on Amazon than in a bookstore. If you have recently read a book you liked, you can easily find that author's other books, read their synopses, see what other readers say about them, and even read a free sample if you have a Kindle. It is also easy to see new books in your preferred genres, and especially those just out by your favourite authors.
I hear you re book club, though. Most Bestseller books I have read are due to our book club (Book Thief, 1000 Splendid Suns, Memory Keeper's Daughter) and that is probably why I have a low opinion of Bestsellers. That and also the reviews here on MN, of course 