A solution to these would be to build a browser extension that automatically submits any such forms with bogus email addresses.
It can't easily be blocked by a captcha as that would hurt conversion rates of legitimate users.
It can't easily be blocked by a captcha as that would hurt conversion rates of legitimate users.
I get the idea of the mailing lists - generate traffic that does not rely on external platforms, with their ever changing algorithms that need to be appeased and courted, and who might even change the rules or ban you from promoting your content.
But sure the conversion rates for these full screen modal overlays must be lower than the attrition you get from scaring away passer by readers?