The headline makes it sound like they automatically start it if you're using an adblocker. That is not the case. Check the screenshot in the article.
But in practice, we know that CoinHive is being used largely as malware, being injected in third-party sites to enrich hackers. And it's not a nice move to support that ecosystem and the company which clearly doesn't give two damns that their software is enabling so much hacking.
>The team don’t specifically track domains, so if a user’s email address is not, for example, “contact@website.com,” Coinhive often don’t know where or how the service is being used, though.
So they don't keep track of who uses the software (perfect for malicious users), and yes they offer an AuthedMiner but why are they still offering payouts to people who use the version which runs without user consent?
It's like me selling illegal firearms in the back of my store and people saying "Hey, he is really concerned about the negative effects of illegal arms dealing, that's why he sells legal firearms in the front of the store!"