Denying access to a site is hardly like beating one up for not reading newspaper ads. It's more like they'd refuse to give you another edition of the paper on your next visit, or insisted you pay for the paper instead.
As genocidicbunny points out all the way up in the thread, if the server responds with 402 Payment Required, I'll honor it and either pay or go elsewhere. If it responds 200 OK and sends me the content - I'll use the content however I want, end of story.