That's the same argument as CAPTCHA's - as far as I know there are no bots protesting them making their lives harder, but as a human - my life is much harder than it needs to be because things need me to prove I'm a human.
Clean for data ingestion usually means complicated for data creation - optimizing for the advertisers has material cash value downstream, but customers are upstream, and making it harder is material too.
What is so hard about running a fragment shader after the site has loaded?
I have to assume /s, but lacking that -- Why can't you just allow `curl`? You need a human for advertising dollars or a poor mechanism of rate limiting. I want to use your service. If you're buying me a fragment shader, I guess that's fine, but I'm feeding it to the dogs, not plugging in your rando hardware in to my web-browser.
I just want to limit my server to usual human users. If you have JavaScript disabled, you won't be missed. Sorry.