That’s an exaggeration. Some of the back-end infrastructure that was a pre-requisite for development of sorting functionality may have been completed about one year ago (not “years”). And even with the availability of new data structures that support the coding sorting function, that doesn’t mean that all that is left is to flip a switch to make sorting work in the UI.
Furthermore, please note that while it is OK to express disappointment, it is important for posts on the forum to adhere to Community Guidelines with regards to respectful, professional, positive, and constructive communication. Since you joined the forum relatively recently, I would encourage you to read all of the participation guidelines carefully.