Sorry that you feel that way.
We only mention that there are add-on modules available that deal with advanced scheduling of recurring countdowns, business hours and holiday exceptions. The only place this displayed is in the the side panel of the plugin options page.
The version that we freely provide and fully support here on the WordPress repository is not to promote a purchase, but rather to share a useful plugin with the WordPress open-source community.
If there is something specific that you found annoying, we would be happy to address that. Regardless, thank you for your honest feedback.