Why does Amazon get to keep a whopping 65% of the sales revenue from Indie authors?!

Here is my daily rant, and then I'll stop. My fellow authors, have you noticed that sometimes, Amazon's sells records show one # of sales while the sales report reflects less? They are constantly not updating the sales report or updating it incorrectly. But here is the big kicker, the thing that pisses me off to no end. We are Indie authors. We do all of the work of writing and editing and sometimes, creating our own book covers. Amazon does nothing, not a damn thing! Even if your book is for sale at a higher price, you are forced to allow "lending," and on most Amazon sites (amazon.com) excluded, Amazon keeps 65% of the sales revenue, 65%! Is that fair? HELL NO! WHY SHOULD AMAZON GET 65% OF OUR HARD-EARNED MONEY?!!!! Ok, rant over.