The audience isn't obligated to listen, but it's also not entitled to use content in a manner that the copyright holder doesn't want them to either.
If a copyright holder (like Forbes) stipulates that their content is paid for using ads and they won't let you consume it without looking at the ads, then you're neither obligated to or entitled to consume it.
If a copyright holder (like Forbes) stipulates that their content is paid for using ads and they won't let you consume it without looking at the ads, then you're neither obligated to or entitled to consume it.