The How to Listen software was developed to train Harman employees, according to its site. Amir has previously noted the level he was able to reach in the training. So certainly if one can reach that level or exceed it, they can claim they are at least an equal listener.
Yes, if they can show reliable proof of attaining certain levels, they can definitely claim that.
Whether they have the experience / knowledge to propose electronic / physical / mechanical solutions to say, improve the speaker's sound to target a certain market though....