Since we’ve established that the plugin isn’t a “spammy preview”, could you please consider updating the original review, as it could mislead new users? As for the merits of the free plugin itself, I will try to explain why I favor the free plugin over changing a theme for other readers.
This plugin is free. It adds a custom tab. Adjusting your theme template is also free, and could add a custom tab as well. However, using a plugin allows you to include the tab in the WooCommerce menu and then embed files, shortcodes, and change content for each product rather than hardcoding a single, unchanging tab into your theme’s functions.php that will be the same for all products. I would advise against that route, as then you lose that functionality if you change themes. In that respect, I don’t see how the plugin is a “limited version” of changing the theme, when it provides more flexibility for the same low price of $0.
I’m not sure how we’re hiding the truth to WP users while providing a functional and useful piece of software, nor do I understand how a free plugin takes advantage of users. Since you acknowledge that the plugin does what it’s supposed to do, I’m not sure why you rated it at one star.
We would appreciate it if you could edit the original review and keep it to the free plugin, which you’ve stated works and in no way spams or misleads users. Continuing to try to compare changing a theme to the premium version by bringing up its price and disguising it as a review for the free plugin is not appropriate to this forum.