The problem is that people will complain about the lack of viable decks in the format, regardless of whether there are a lot of viable decks or not. When we had 4-5 viable decks people complained, when we have 9-10 viable decks, people complain.
Soon after a creative deck is known to be "viable," it joins the list of "not creative" decks and people forget that it was once rogue. As soon as a deck loses its novelty, people think of it as "standard" and start whining again. For example, when Ross first placed the Truth at worlds, everyone was amazed at how creative the deck was. 2 months later, the deck started to be labeled as "not creative."
Regardless of how many viable decks in the format we have (and we actually have a lot right now), people will still whine about it. That's the problem.