Yes, because “free” market deregulation has worked out so well for consumers over the last 30 years.
“Don’t like the monopoly? You’re free to go elsewhere. No wait, there is no elsewhere. Oh well, I guess you must like it here then since you keep coming back. “
But there is “elsewhere”. You can buy directly from the manufacturer.
I do not get the complaint. People shop at Amazon because they see the value Amazon provides: easy returns, free and fast shipping, etc.