They did not delete their account, the UNA team suspended the account due to non-response. The UNA system is just flawed that it will still allow you to view their products if you have the direct link. (Or in this case, did a simple Google search that yielded the product page.)
When I purchased the modules, the developer was still actively working and updating the modules. After the release of the stable version of UNA 13.0, the developer disappeared, and the modules have many flaws, and the modules are sold further
