Literally created an account to say this.
I play casually. My wife plays casually, and is learning. She loves these decks as they teach her how to play without the pressure of learning with more competitive cards, and the price those cards cost. They are super reasonably cheap, easy to play and easily teach the fundamentals of the gane. Literally brought a set of these decks for her today, and buying a few more over the next few weeks.
They have their place in the market, and are super popular amongst casual and learning players put off by competitive talk, and people screaming "THIS HAS NO COMPETITIVE VALUE". I think some of you guys sit in a competitive bubble as these decks are crazy popular.