> you know what a browser is called by the web site? check the header that tells the version.

You mean that key whose only legitimate values also call every browser Mozilla? Arguing from the dictionary is so tedious. I'm going to scrape your site, but the idea that you have some obligation to like it because of the definition of the word "agent" is profoundly stupid.

A lot of people live off ads. I block ads. People who live off ads aren't obligated to like it - and are free to take any means to block it without moral hazard.