You might wonder why and it's because of the purpose of this anime. This anime is (as the show itself will even say!) A fairly cheaply made anime but one with charm. The voice acting is quite good and the DVDs you can get (at least they're purchasable in Japan!) come with a Karaoke-style script you can follow along for 2 of the episodes to help people practice or even just try voice acting. The spirit of the show, to me at least is all about making something from very little and indeed the dishes in the show are quite easy to make and don't require much effort. The show also mentions many times how they wish to help others with voice acting and indeed if you look at the profiles of the three voice actresses, they got their start on this show and later starred in quite a few other anime.
In an objective sense, there is not much in the way of actual animation, which is of course a bad aspect of the show. The in-joke made by the show about a show identical to it being cheaply made with only 3 voice actresses did not come across to me (as it seems to have to others) as a way to garner pity. Instead I just felt that the show was poking fun at itself and not being too serious about itself, which is a good thing for anime seen as 'bad' by many.
In the end, this anime helped launch the careers of the voice actresses involved and likely with the DVD's Karaoke-style scripts, potentially inspired others to take up voice acting and so while not ever being on the level of a show like K-On in terms of animation, contributed more to anime than an anime that is actually 'bad'
Or in the words of Anton Ego from Ratatouille "In many ways, the work of a critic is easy. We risk very little, yet enjoy a position over those who offer up their work and their selves to our judgment. We thrive on negative criticism, which is fun to write and to read. But the bitter truth we critics must face is that in the grand scheme of things, the average piece of junk is probably more meaningful than our criticism designating it so."
