That is not an unfair conclusion. This is just a first generation driver and some of the more established competitors have refined their offerings over many years. Also more volume would (hopefully) help make them a better value too...
If you have a tweeter preference or insist on a passive speaker, it may or may not be a good choice. Along with the commercial speakers discussed thus far, there are some interesting DIY ones too.
Heissmann, Troels, and hificompass have all used the Purifi woofer. Without being too immodest, the Directiva r1 is pretty good too!