Earlier quoted context omitted.
You could also make the argument that ads or ad networks are potentially dangerous. That doesn't make Ad Blocking ethical, just justified. The ethical thing to do would be to either not use an Ad Blocker or not visit sites that are ad supported, neither of which is realistic if I'm being honest. I think we're at a very Napster moment for content websites.
So ad-blocking is unethical. Not ad-blocking is dangerous. Not using the services is impractical. So which is it then?
Additionally you can use things like Patreon or Google Contributor.