The only book you ever published is https://leanpub.com/rubyisforfun/ which, according to the website, has 460 readers, despite being available for free.
Not only are you not losing thousands dollars worth of sales a month right now, you also never were, even when it wasn't available for free.
I would probably reply to your statements (that you believe are true), but first you have to learn how to be nice :) Plus, not only your communication is broken, but also your ability to make your way to final and correct conclusions. But don't worry, it's a common thing today, you're definitely not unique here
Not only are you not losing thousands dollars worth of sales a month right now, you also never were, even when it wasn't available for free.