We are free people. You are free to invent your own terms. You can propose any rules. You can declare that visiting your website without clicking five times on different buttons is unethical. I can visit your website and only raise my eyebrows at your rules, without feeling any moral urge to do what you demand.
That is not an ad reductio argument in the least. It's a silly condition, but if the author requires it, then you must do it, or you can simply not read the book. What part of basic social contract theory do you not get?
Arbitrary contract terms aren't automatically viewed as valid and binding by the courts.